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Finding the Fourth Proportional to 372,882.64, 514,575.40 and 203,116.76

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Solution

The fourth proportional to 372,882.64, 514,575.40 and 203,116.76 is: 280,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,882.64 : 514,575.40 = 203,116.76 : x
  2. Step 2: Convert to fraction form
    372,882.64/514,575.40 = 203,116.76/x
  3. Step 3: Cross multiply
    372,882.64x = 514,575.40 × 203,116.76
  4. Step 4: Simplify right side
    372,882.64x = 104,518,888,023.70
  5. Step 5: Solve for x
    x = 104,518,888,023.70/372,882.64
  6. Step 6: Final answer
    x = 280,299.69

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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.