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Finding the Fourth Proportional to 711,571.76, 981,403.88 and 537,722.56

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Solution

The fourth proportional to 711,571.76, 981,403.88 and 537,722.56 is: 741,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,571.76 : 981,403.88 = 537,722.56 : x
  2. Step 2: Convert to fraction form
    711,571.76/981,403.88 = 537,722.56/x
  3. Step 3: Cross multiply
    711,571.76x = 981,403.88 × 537,722.56
  4. Step 4: Simplify right side
    711,571.76x = 527,723,006,747.53
  5. Step 5: Solve for x
    x = 527,723,006,747.53/711,571.76
  6. Step 6: Final answer
    x = 741,630.06

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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.