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Finding the Fourth Proportional to 659,050.70, 986,502.45 and 472,426.70

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Solution

The fourth proportional to 659,050.70, 986,502.45 and 472,426.70 is: 707,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,050.70 : 986,502.45 = 472,426.70 : x
  2. Step 2: Convert to fraction form
    659,050.70/986,502.45 = 472,426.70/x
  3. Step 3: Cross multiply
    659,050.70x = 986,502.45 × 472,426.70
  4. Step 4: Simplify right side
    659,050.70x = 466,050,096,995.42
  5. Step 5: Solve for x
    x = 466,050,096,995.42/659,050.70
  6. Step 6: Final answer
    x = 707,153.63

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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.