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Finding the Fourth Proportional to 574,449.60, 861,712.80 and 195,364.80

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Solution

The fourth proportional to 574,449.60, 861,712.80 and 195,364.80 is: 293,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,449.60 : 861,712.80 = 195,364.80 : x
  2. Step 2: Convert to fraction form
    574,449.60/861,712.80 = 195,364.80/x
  3. Step 3: Cross multiply
    574,449.60x = 861,712.80 × 195,364.80
  4. Step 4: Simplify right side
    574,449.60x = 168,348,348,829.44
  5. Step 5: Solve for x
    x = 168,348,348,829.44/574,449.60
  6. Step 6: Final answer
    x = 293,060.26

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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.