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Finding the Fourth Proportional to 437,007.95, 655,508.28 and 121,463.94

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Solution

The fourth proportional to 437,007.95, 655,508.28 and 121,463.94 is: 182,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,007.95 : 655,508.28 = 121,463.94 : x
  2. Step 2: Convert to fraction form
    437,007.95/655,508.28 = 121,463.94/x
  3. Step 3: Cross multiply
    437,007.95x = 655,508.28 × 121,463.94
  4. Step 4: Simplify right side
    437,007.95x = 79,620,618,391.42
  5. Step 5: Solve for x
    x = 79,620,618,391.42/437,007.95
  6. Step 6: Final answer
    x = 182,194.90

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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.