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Finding the Fourth Proportional to 484,503.69, 726,755.76 and 217,952.85

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Solution

The fourth proportional to 484,503.69, 726,755.76 and 217,952.85 is: 326,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,503.69 : 726,755.76 = 217,952.85 : x
  2. Step 2: Convert to fraction form
    484,503.69/726,755.76 = 217,952.85/x
  3. Step 3: Cross multiply
    484,503.69x = 726,755.76 × 217,952.85
  4. Step 4: Simplify right side
    484,503.69x = 158,398,489,145.92
  5. Step 5: Solve for x
    x = 158,398,489,145.92/484,503.69
  6. Step 6: Final answer
    x = 326,929.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.