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Finding the Fourth Proportional to 521,854.20, 782,854.20 and 222,332.40

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Solution

The fourth proportional to 521,854.20, 782,854.20 and 222,332.40 is: 333,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,854.20 : 782,854.20 = 222,332.40 : x
  2. Step 2: Convert to fraction form
    521,854.20/782,854.20 = 222,332.40/x
  3. Step 3: Cross multiply
    521,854.20x = 782,854.20 × 222,332.40
  4. Step 4: Simplify right side
    521,854.20x = 174,053,853,136.08
  5. Step 5: Solve for x
    x = 174,053,853,136.08/521,854.20
  6. Step 6: Final answer
    x = 333,529.66

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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.