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Finding the Fourth Proportional to 528,371.91, 729,233.28 and 337,512.42

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Solution

The fourth proportional to 528,371.91, 729,233.28 and 337,512.42 is: 465,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,371.91 : 729,233.28 = 337,512.42 : x
  2. Step 2: Convert to fraction form
    528,371.91/729,233.28 = 337,512.42/x
  3. Step 3: Cross multiply
    528,371.91x = 729,233.28 × 337,512.42
  4. Step 4: Simplify right side
    528,371.91x = 246,125,289,077.34
  5. Step 5: Solve for x
    x = 246,125,289,077.34/528,371.91
  6. Step 6: Final answer
    x = 465,818.27

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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.