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Finding the Fourth Proportional to 371,743.08, 557,863.72 and 238,716.72

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Solution

The fourth proportional to 371,743.08, 557,863.72 and 238,716.72 is: 358,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,743.08 : 557,863.72 = 238,716.72 : x
  2. Step 2: Convert to fraction form
    371,743.08/557,863.72 = 238,716.72/x
  3. Step 3: Cross multiply
    371,743.08x = 557,863.72 × 238,716.72
  4. Step 4: Simplify right side
    371,743.08x = 133,171,397,445.40
  5. Step 5: Solve for x
    x = 133,171,397,445.40/371,743.08
  6. Step 6: Final answer
    x = 358,235.04

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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.