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Finding the Fourth Proportional to 711,709.68, 982,062.46 and 425,168.92

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Solution

The fourth proportional to 711,709.68, 982,062.46 and 425,168.92 is: 586,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,709.68 : 982,062.46 = 425,168.92 : x
  2. Step 2: Convert to fraction form
    711,709.68/982,062.46 = 425,168.92/x
  3. Step 3: Cross multiply
    711,709.68x = 982,062.46 × 425,168.92
  4. Step 4: Simplify right side
    711,709.68x = 417,542,435,490.74
  5. Step 5: Solve for x
    x = 417,542,435,490.74/711,709.68
  6. Step 6: Final answer
    x = 586,675.22

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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.