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Finding the Fourth Proportional to 574,267.80, 861,585.30 and 174,984.60

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Solution

The fourth proportional to 574,267.80, 861,585.30 and 174,984.60 is: 262,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,267.80 : 861,585.30 = 174,984.60 : x
  2. Step 2: Convert to fraction form
    574,267.80/861,585.30 = 174,984.60/x
  3. Step 3: Cross multiply
    574,267.80x = 861,585.30 × 174,984.60
  4. Step 4: Simplify right side
    574,267.80x = 150,764,159,086.38
  5. Step 5: Solve for x
    x = 150,764,159,086.38/574,267.80
  6. Step 6: Final answer
    x = 262,532.84

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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.