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Finding the Fourth Proportional to 528,772.89, 729,436.28 and 337,585.35

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Solution

The fourth proportional to 528,772.89, 729,436.28 and 337,585.35 is: 465,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,772.89 : 729,436.28 = 337,585.35 : x
  2. Step 2: Convert to fraction form
    528,772.89/729,436.28 = 337,585.35/x
  3. Step 3: Cross multiply
    528,772.89x = 729,436.28 × 337,585.35
  4. Step 4: Simplify right side
    528,772.89x = 246,247,000,198.57
  5. Step 5: Solve for x
    x = 246,247,000,198.57/528,772.89
  6. Step 6: Final answer
    x = 465,695.21

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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.