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Finding the Fourth Proportional to 329,531.10, 494,296.65 and 119,175.90

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Solution

The fourth proportional to 329,531.10, 494,296.65 and 119,175.90 is: 178,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,531.10 : 494,296.65 = 119,175.90 : x
  2. Step 2: Convert to fraction form
    329,531.10/494,296.65 = 119,175.90/x
  3. Step 3: Cross multiply
    329,531.10x = 494,296.65 × 119,175.90
  4. Step 4: Simplify right side
    329,531.10x = 58,908,248,130.74
  5. Step 5: Solve for x
    x = 58,908,248,130.74/329,531.10
  6. Step 6: Final answer
    x = 178,763.85

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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.