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Finding the Fourth Proportional to 415,019.41, 571,520.81 and 360,546.70

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Solution

The fourth proportional to 415,019.41, 571,520.81 and 360,546.70 is: 496,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,019.41 : 571,520.81 = 360,546.70 : x
  2. Step 2: Convert to fraction form
    415,019.41/571,520.81 = 360,546.70/x
  3. Step 3: Cross multiply
    415,019.41x = 571,520.81 × 360,546.70
  4. Step 4: Simplify right side
    415,019.41x = 206,059,942,026.83
  5. Step 5: Solve for x
    x = 206,059,942,026.83/415,019.41
  6. Step 6: Final answer
    x = 496,506.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.