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Finding the Fourth Proportional to 437,087.97, 655,748.64 and 156,633.57

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Solution

The fourth proportional to 437,087.97, 655,748.64 and 156,633.57 is: 234,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,087.97 : 655,748.64 = 156,633.57 : x
  2. Step 2: Convert to fraction form
    437,087.97/655,748.64 = 156,633.57/x
  3. Step 3: Cross multiply
    437,087.97x = 655,748.64 × 156,633.57
  4. Step 4: Simplify right side
    437,087.97x = 102,712,250,505.85
  5. Step 5: Solve for x
    x = 102,712,250,505.85/437,087.97
  6. Step 6: Final answer
    x = 234,992.17

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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.