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Finding the Fourth Proportional to 603,443, 905,955.54 and 404,652.92

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Solution

The fourth proportional to 603,443, 905,955.54 and 404,652.92 is: 607,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,443 : 905,955.54 = 404,652.92 : x
  2. Step 2: Convert to fraction form
    603,443/905,955.54 = 404,652.92/x
  3. Step 3: Cross multiply
    603,443x = 905,955.54 × 404,652.92
  4. Step 4: Simplify right side
    603,443x = 366,597,554,651.18
  5. Step 5: Solve for x
    x = 366,597,554,651.18/603,443
  6. Step 6: Final answer
    x = 607,509.83

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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.