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Finding the Fourth Proportional to 416,517.80, 624,647.30 and 150,243.71

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Solution

The fourth proportional to 416,517.80, 624,647.30 and 150,243.71 is: 225,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,517.80 : 624,647.30 = 150,243.71 : x
  2. Step 2: Convert to fraction form
    416,517.80/624,647.30 = 150,243.71/x
  3. Step 3: Cross multiply
    416,517.80x = 624,647.30 × 150,243.71
  4. Step 4: Simplify right side
    416,517.80x = 93,849,327,432.67
  5. Step 5: Solve for x
    x = 93,849,327,432.67/416,517.80
  6. Step 6: Final answer
    x = 225,318.89

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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.