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Finding the Fourth Proportional to 548,761.60, 757,378.56 and 322,462.72

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Solution

The fourth proportional to 548,761.60, 757,378.56 and 322,462.72 is: 445,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,761.60 : 757,378.56 = 322,462.72 : x
  2. Step 2: Convert to fraction form
    548,761.60/757,378.56 = 322,462.72/x
  3. Step 3: Cross multiply
    548,761.60x = 757,378.56 × 322,462.72
  4. Step 4: Simplify right side
    548,761.60x = 244,226,350,527.28
  5. Step 5: Solve for x
    x = 244,226,350,527.28/548,761.60
  6. Step 6: Final answer
    x = 445,050.00

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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.