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Finding the Fourth Proportional to 603,444.89, 905,167.31 and 154,166.74

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Solution

The fourth proportional to 603,444.89, 905,167.31 and 154,166.74 is: 231,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,444.89 : 905,167.31 = 154,166.74 : x
  2. Step 2: Convert to fraction form
    603,444.89/905,167.31 = 154,166.74/x
  3. Step 3: Cross multiply
    603,444.89x = 905,167.31 × 154,166.74
  4. Step 4: Simplify right side
    603,444.89x = 139,546,693,337.27
  5. Step 5: Solve for x
    x = 139,546,693,337.27/603,444.89
  6. Step 6: Final answer
    x = 231,250.10

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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.