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Finding the Fourth Proportional to 454,491.92, 627,201.96 and 253,300.88

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Solution

The fourth proportional to 454,491.92, 627,201.96 and 253,300.88 is: 349,556.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,491.92 : 627,201.96 = 253,300.88 : x
  2. Step 2: Convert to fraction form
    454,491.92/627,201.96 = 253,300.88/x
  3. Step 3: Cross multiply
    454,491.92x = 627,201.96 × 253,300.88
  4. Step 4: Simplify right side
    454,491.92x = 158,870,808,405.73
  5. Step 5: Solve for x
    x = 158,870,808,405.73/454,491.92
  6. Step 6: Final answer
    x = 349,556.95

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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.