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Finding the Fourth Proportional to 528,778.14, 729,443.52 and 337,590.60

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Solution

The fourth proportional to 528,778.14, 729,443.52 and 337,590.60 is: 465,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,778.14 : 729,443.52 = 337,590.60 : x
  2. Step 2: Convert to fraction form
    528,778.14/729,443.52 = 337,590.60/x
  3. Step 3: Cross multiply
    528,778.14x = 729,443.52 × 337,590.60
  4. Step 4: Simplify right side
    528,778.14x = 246,253,275,582.91
  5. Step 5: Solve for x
    x = 246,253,275,582.91/528,778.14
  6. Step 6: Final answer
    x = 465,702.45

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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.