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Finding the Fourth Proportional to 437,604.92, 656,349 and 122,035.40

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Solution

The fourth proportional to 437,604.92, 656,349 and 122,035.40 is: 183,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,604.92 : 656,349 = 122,035.40 : x
  2. Step 2: Convert to fraction form
    437,604.92/656,349 = 122,035.40/x
  3. Step 3: Cross multiply
    437,604.92x = 656,349 × 122,035.40
  4. Step 4: Simplify right side
    437,604.92x = 80,097,812,754.60
  5. Step 5: Solve for x
    x = 80,097,812,754.60/437,604.92
  6. Step 6: Final answer
    x = 183,036.82

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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.