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Finding the Fourth Proportional to 574,274.56, 861,411.84 and 153,539.50

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Solution

The fourth proportional to 574,274.56, 861,411.84 and 153,539.50 is: 230,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,274.56 : 861,411.84 = 153,539.50 : x
  2. Step 2: Convert to fraction form
    574,274.56/861,411.84 = 153,539.50/x
  3. Step 3: Cross multiply
    574,274.56x = 861,411.84 × 153,539.50
  4. Step 4: Simplify right side
    574,274.56x = 132,260,743,207.68
  5. Step 5: Solve for x
    x = 132,260,743,207.68/574,274.56
  6. Step 6: Final answer
    x = 230,309.25

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Similar ratio
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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.