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Finding the Fourth Proportional to 574,459.40, 861,817.02 and 175,131.24

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Solution

The fourth proportional to 574,459.40, 861,817.02 and 175,131.24 is: 262,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,459.40 : 861,817.02 = 175,131.24 : x
  2. Step 2: Convert to fraction form
    574,459.40/861,817.02 = 175,131.24/x
  3. Step 3: Cross multiply
    574,459.40x = 861,817.02 × 175,131.24
  4. Step 4: Simplify right side
    574,459.40x = 150,931,083,365.71
  5. Step 5: Solve for x
    x = 150,931,083,365.71/574,459.40
  6. Step 6: Final answer
    x = 262,735.86

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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.