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Finding the Fourth Proportional to 474,441.92, 654,665.18 and 283,414.76

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Solution

The fourth proportional to 474,441.92, 654,665.18 and 283,414.76 is: 391,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,441.92 : 654,665.18 = 283,414.76 : x
  2. Step 2: Convert to fraction form
    474,441.92/654,665.18 = 283,414.76/x
  3. Step 3: Cross multiply
    474,441.92x = 654,665.18 × 283,414.76
  4. Step 4: Simplify right side
    474,441.92x = 185,541,774,870.06
  5. Step 5: Solve for x
    x = 185,541,774,870.06/474,441.92
  6. Step 6: Final answer
    x = 391,073.74

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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.