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Finding the Fourth Proportional to 341,572.64, 471,397.20 and 198,377.60

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Solution

The fourth proportional to 341,572.64, 471,397.20 and 198,377.60 is: 273,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,572.64 : 471,397.20 = 198,377.60 : x
  2. Step 2: Convert to fraction form
    341,572.64/471,397.20 = 198,377.60/x
  3. Step 3: Cross multiply
    341,572.64x = 471,397.20 × 198,377.60
  4. Step 4: Simplify right side
    341,572.64x = 93,514,645,182.72
  5. Step 5: Solve for x
    x = 93,514,645,182.72/341,572.64
  6. Step 6: Final answer
    x = 273,776.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.