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Finding the Fourth Proportional to 711,248.04, 981,612.17 and 466,438.78

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Solution

The fourth proportional to 711,248.04, 981,612.17 and 466,438.78 is: 643,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,248.04 : 981,612.17 = 466,438.78 : x
  2. Step 2: Convert to fraction form
    711,248.04/981,612.17 = 466,438.78/x
  3. Step 3: Cross multiply
    711,248.04x = 981,612.17 × 466,438.78
  4. Step 4: Simplify right side
    711,248.04x = 457,861,983,007.95
  5. Step 5: Solve for x
    x = 457,861,983,007.95/711,248.04
  6. Step 6: Final answer
    x = 643,744.46

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1.5x scale

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.