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Finding the Fourth Proportional to 372,891.52, 514,572.60 and 211,725.46

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Solution

The fourth proportional to 372,891.52, 514,572.60 and 211,725.46 is: 292,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,891.52 : 514,572.60 = 211,725.46 : x
  2. Step 2: Convert to fraction form
    372,891.52/514,572.60 = 211,725.46/x
  3. Step 3: Cross multiply
    372,891.52x = 514,572.60 × 211,725.46
  4. Step 4: Simplify right side
    372,891.52x = 108,948,120,438.40
  5. Step 5: Solve for x
    x = 108,948,120,438.40/372,891.52
  6. Step 6: Final answer
    x = 292,171.09

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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.