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Finding the Fourth Proportional to 267,112.60, 400,668.90 and 177,737.20

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Solution

The fourth proportional to 267,112.60, 400,668.90 and 177,737.20 is: 266,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,112.60 : 400,668.90 = 177,737.20 : x
  2. Step 2: Convert to fraction form
    267,112.60/400,668.90 = 177,737.20/x
  3. Step 3: Cross multiply
    267,112.60x = 400,668.90 × 177,737.20
  4. Step 4: Simplify right side
    267,112.60x = 71,213,768,413.08
  5. Step 5: Solve for x
    x = 71,213,768,413.08/267,112.60
  6. Step 6: Final answer
    x = 266,605.80

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1.5x scale

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.