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Finding the Fourth Proportional to 454,489.92, 627,199.20 and 253,298.88

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Solution

The fourth proportional to 454,489.92, 627,199.20 and 253,298.88 is: 349,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,489.92 : 627,199.20 = 253,298.88 : x
  2. Step 2: Convert to fraction form
    454,489.92/627,199.20 = 253,298.88/x
  3. Step 3: Cross multiply
    454,489.92x = 627,199.20 × 253,298.88
  4. Step 4: Simplify right side
    454,489.92x = 158,868,854,896.90
  5. Step 5: Solve for x
    x = 158,868,854,896.90/454,489.92
  6. Step 6: Final answer
    x = 349,554.19

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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.