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Finding the Fourth Proportional to 487,152.86, 725,592.39 and 465,295.50

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Solution

The fourth proportional to 487,152.86, 725,592.39 and 465,295.50 is: 693,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,152.86 : 725,592.39 = 465,295.50 : x
  2. Step 2: Convert to fraction form
    487,152.86/725,592.39 = 465,295.50/x
  3. Step 3: Cross multiply
    487,152.86x = 725,592.39 × 465,295.50
  4. Step 4: Simplify right side
    487,152.86x = 337,614,873,901.25
  5. Step 5: Solve for x
    x = 337,614,873,901.25/487,152.86
  6. Step 6: Final answer
    x = 693,036.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.