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Finding the Fourth Proportional to 574,259.63, 861,323.76 and 153,568.31

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Solution

The fourth proportional to 574,259.63, 861,323.76 and 153,568.31 is: 230,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,259.63 : 861,323.76 = 153,568.31 : x
  2. Step 2: Convert to fraction form
    574,259.63/861,323.76 = 153,568.31/x
  3. Step 3: Cross multiply
    574,259.63x = 861,323.76 × 153,568.31
  4. Step 4: Simplify right side
    574,259.63x = 132,272,029,879.43
  5. Step 5: Solve for x
    x = 132,272,029,879.43/574,259.63
  6. Step 6: Final answer
    x = 230,334.89

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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.