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Finding the Fourth Proportional to 451,125.11, 622,560.32 and 247,195.90

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Solution

The fourth proportional to 451,125.11, 622,560.32 and 247,195.90 is: 341,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,125.11 : 622,560.32 = 247,195.90 : x
  2. Step 2: Convert to fraction form
    451,125.11/622,560.32 = 247,195.90/x
  3. Step 3: Cross multiply
    451,125.11x = 622,560.32 × 247,195.90
  4. Step 4: Simplify right side
    451,125.11x = 153,894,358,606.69
  5. Step 5: Solve for x
    x = 153,894,358,606.69/451,125.11
  6. Step 6: Final answer
    x = 341,134.54

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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.