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Finding the Fourth Proportional to 437,087.98, 655,748.64 and 156,633.58

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Solution

The fourth proportional to 437,087.98, 655,748.64 and 156,633.58 is: 234,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,087.98 : 655,748.64 = 156,633.58 : x
  2. Step 2: Convert to fraction form
    437,087.98/655,748.64 = 156,633.58/x
  3. Step 3: Cross multiply
    437,087.98x = 655,748.64 × 156,633.58
  4. Step 4: Simplify right side
    437,087.98x = 102,712,257,063.33
  5. Step 5: Solve for x
    x = 102,712,257,063.33/437,087.98
  6. Step 6: Final answer
    x = 234,992.18

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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.