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Finding the Fourth Proportional to 603,777,869.46, 905,666,804.20 and 603,777,869.46

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Solution

The fourth proportional to 603,777,869.46, 905,666,804.20 and 603,777,869.46 is: 905,666,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,777,869.46 : 905,666,804.20 = 603,777,869.46 : x
  2. Step 2: Convert to fraction form
    603,777,869.46/905,666,804.20 = 603,777,869.46/x
  3. Step 3: Cross multiply
    603,777,869.46x = 905,666,804.20 × 603,777,869.46
  4. Step 4: Simplify right side
    603,777,869.46x = 546,821,573,480,523,072
  5. Step 5: Solve for x
    x = 546,821,573,480,523,072/603,777,869.46
  6. Step 6: Final answer
    x = 905,666,804.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.