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Finding the Fourth Proportional to 656,324.38, 984,507.63 and 207,049.42

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Solution

The fourth proportional to 656,324.38, 984,507.63 and 207,049.42 is: 310,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,324.38 : 984,507.63 = 207,049.42 : x
  2. Step 2: Convert to fraction form
    656,324.38/984,507.63 = 207,049.42/x
  3. Step 3: Cross multiply
    656,324.38x = 984,507.63 × 207,049.42
  4. Step 4: Simplify right side
    656,324.38x = 203,841,733,777.08
  5. Step 5: Solve for x
    x = 203,841,733,777.08/656,324.38
  6. Step 6: Final answer
    x = 310,580.77

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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.