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Finding the Fourth Proportional to 574,242.13, 861,297.46 and 153,550.81

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Solution

The fourth proportional to 574,242.13, 861,297.46 and 153,550.81 is: 230,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,242.13 : 861,297.46 = 153,550.81 : x
  2. Step 2: Convert to fraction form
    574,242.13/861,297.46 = 153,550.81/x
  3. Step 3: Cross multiply
    574,242.13x = 861,297.46 × 153,550.81
  4. Step 4: Simplify right side
    574,242.13x = 132,252,917,559.70
  5. Step 5: Solve for x
    x = 132,252,917,559.70/574,242.13
  6. Step 6: Final answer
    x = 230,308.63

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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.