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Finding the Fourth Proportional to 409,765.59, 614,500.76 and 173,126.73

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Solution

The fourth proportional to 409,765.59, 614,500.76 and 173,126.73 is: 259,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,765.59 : 614,500.76 = 173,126.73 : x
  2. Step 2: Convert to fraction form
    409,765.59/614,500.76 = 173,126.73/x
  3. Step 3: Cross multiply
    409,765.59x = 614,500.76 × 173,126.73
  4. Step 4: Simplify right side
    409,765.59x = 106,386,504,713.66
  5. Step 5: Solve for x
    x = 106,386,504,713.66/409,765.59
  6. Step 6: Final answer
    x = 259,627.72

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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.