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Finding the Fourth Proportional to 454,114.60, 681,479.10 and 254,434.60

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Solution

The fourth proportional to 454,114.60, 681,479.10 and 254,434.60 is: 381,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,114.60 : 681,479.10 = 254,434.60 : x
  2. Step 2: Convert to fraction form
    454,114.60/681,479.10 = 254,434.60/x
  3. Step 3: Cross multiply
    454,114.60x = 681,479.10 × 254,434.60
  4. Step 4: Simplify right side
    454,114.60x = 173,391,862,216.86
  5. Step 5: Solve for x
    x = 173,391,862,216.86/454,114.60
  6. Step 6: Final answer
    x = 381,824.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.