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Finding the Fourth Proportional to 372,934, 514,630.92 and 211,767.76

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Solution

The fourth proportional to 372,934, 514,630.92 and 211,767.76 is: 292,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,934 : 514,630.92 = 211,767.76 : x
  2. Step 2: Convert to fraction form
    372,934/514,630.92 = 211,767.76/x
  3. Step 3: Cross multiply
    372,934x = 514,630.92 × 211,767.76
  4. Step 4: Simplify right side
    372,934x = 108,982,237,155.14
  5. Step 5: Solve for x
    x = 108,982,237,155.14/372,934
  6. Step 6: Final answer
    x = 292,229.29

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1.5x scale

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.