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Finding the Fourth Proportional to 408,073.46, 612,156.78 and 108,566.24

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Solution

The fourth proportional to 408,073.46, 612,156.78 and 108,566.24 is: 162,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,073.46 : 612,156.78 = 108,566.24 : x
  2. Step 2: Convert to fraction form
    408,073.46/612,156.78 = 108,566.24/x
  3. Step 3: Cross multiply
    408,073.46x = 612,156.78 × 108,566.24
  4. Step 4: Simplify right side
    408,073.46x = 66,459,559,895.11
  5. Step 5: Solve for x
    x = 66,459,559,895.11/408,073.46
  6. Step 6: Final answer
    x = 162,861.76

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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.