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Finding the Fourth Proportional to 394,459.04, 592,213.44 and 207,601.76

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Solution

The fourth proportional to 394,459.04, 592,213.44 and 207,601.76 is: 311,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,459.04 : 592,213.44 = 207,601.76 : x
  2. Step 2: Convert to fraction form
    394,459.04/592,213.44 = 207,601.76/x
  3. Step 3: Cross multiply
    394,459.04x = 592,213.44 × 207,601.76
  4. Step 4: Simplify right side
    394,459.04x = 122,944,552,439.65
  5. Step 5: Solve for x
    x = 122,944,552,439.65/394,459.04
  6. Step 6: Final answer
    x = 311,678.88

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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.