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Finding the Fourth Proportional to 528,562.55, 729,055.04 and 337,489.83

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Solution

The fourth proportional to 528,562.55, 729,055.04 and 337,489.83 is: 465,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,562.55 : 729,055.04 = 337,489.83 : x
  2. Step 2: Convert to fraction form
    528,562.55/729,055.04 = 337,489.83/x
  3. Step 3: Cross multiply
    528,562.55x = 729,055.04 × 337,489.83
  4. Step 4: Simplify right side
    528,562.55x = 246,048,661,510.24
  5. Step 5: Solve for x
    x = 246,048,661,510.24/528,562.55
  6. Step 6: Final answer
    x = 465,505.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.