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Finding the Fourth Proportional to 375,248.92, 517,847.58 and 203,170.47

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Solution

The fourth proportional to 375,248.92, 517,847.58 and 203,170.47 is: 280,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,248.92 : 517,847.58 = 203,170.47 : x
  2. Step 2: Convert to fraction form
    375,248.92/517,847.58 = 203,170.47/x
  3. Step 3: Cross multiply
    375,248.92x = 517,847.58 × 203,170.47
  4. Step 4: Simplify right side
    375,248.92x = 105,211,335,731.48
  5. Step 5: Solve for x
    x = 105,211,335,731.48/375,248.92
  6. Step 6: Final answer
    x = 280,377.45

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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.