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Finding the Fourth Proportional to 416,421.30, 624,923.55 and 267,024.90

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Solution

The fourth proportional to 416,421.30, 624,923.55 and 267,024.90 is: 400,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,421.30 : 624,923.55 = 267,024.90 : x
  2. Step 2: Convert to fraction form
    416,421.30/624,923.55 = 267,024.90/x
  3. Step 3: Cross multiply
    416,421.30x = 624,923.55 × 267,024.90
  4. Step 4: Simplify right side
    416,421.30x = 166,870,148,446.40
  5. Step 5: Solve for x
    x = 166,870,148,446.40/416,421.30
  6. Step 6: Final answer
    x = 400,724.33

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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.