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Finding the Fourth Proportional to 267,580.69, 400,583.70 and 178,613.53

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Solution

The fourth proportional to 267,580.69, 400,583.70 and 178,613.53 is: 267,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,580.69 : 400,583.70 = 178,613.53 : x
  2. Step 2: Convert to fraction form
    267,580.69/400,583.70 = 178,613.53/x
  3. Step 3: Cross multiply
    267,580.69x = 400,583.70 × 178,613.53
  4. Step 4: Simplify right side
    267,580.69x = 71,549,668,717.46
  5. Step 5: Solve for x
    x = 71,549,668,717.46/267,580.69
  6. Step 6: Final answer
    x = 267,394.74

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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.