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Finding the Fourth Proportional to 574,139.61, 861,333.88 and 174,769.94

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Solution

The fourth proportional to 574,139.61, 861,333.88 and 174,769.94 is: 262,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,139.61 : 861,333.88 = 174,769.94 : x
  2. Step 2: Convert to fraction form
    574,139.61/861,333.88 = 174,769.94/x
  3. Step 3: Cross multiply
    574,139.61x = 861,333.88 × 174,769.94
  4. Step 4: Simplify right side
    574,139.61x = 150,535,270,527.57
  5. Step 5: Solve for x
    x = 150,535,270,527.57/574,139.61
  6. Step 6: Final answer
    x = 262,192.80

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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.