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Finding the Fourth Proportional to 437,737.82, 656,613.30 and 122,196.38

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Solution

The fourth proportional to 437,737.82, 656,613.30 and 122,196.38 is: 183,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,737.82 : 656,613.30 = 122,196.38 : x
  2. Step 2: Convert to fraction form
    437,737.82/656,613.30 = 122,196.38/x
  3. Step 3: Cross multiply
    437,737.82x = 656,613.30 × 122,196.38
  4. Step 4: Simplify right side
    437,737.82x = 80,235,765,036.79
  5. Step 5: Solve for x
    x = 80,235,765,036.79/437,737.82
  6. Step 6: Final answer
    x = 183,296.40

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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.