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Finding the Fourth Proportional to 574,272.18, 792,503.19 and 316,179.18

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Solution

The fourth proportional to 574,272.18, 792,503.19 and 316,179.18 is: 436,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,272.18 : 792,503.19 = 316,179.18 : x
  2. Step 2: Convert to fraction form
    574,272.18/792,503.19 = 316,179.18/x
  3. Step 3: Cross multiply
    574,272.18x = 792,503.19 × 316,179.18
  4. Step 4: Simplify right side
    574,272.18x = 250,573,008,761.58
  5. Step 5: Solve for x
    x = 250,573,008,761.58/574,272.18
  6. Step 6: Final answer
    x = 436,331.44

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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.