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Finding the Fourth Proportional to 548,223.48, 756,781.56 and 333,432.54

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Solution

The fourth proportional to 548,223.48, 756,781.56 and 333,432.54 is: 460,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,223.48 : 756,781.56 = 333,432.54 : x
  2. Step 2: Convert to fraction form
    548,223.48/756,781.56 = 333,432.54/x
  3. Step 3: Cross multiply
    548,223.48x = 756,781.56 × 333,432.54
  4. Step 4: Simplify right side
    548,223.48x = 252,335,597,775.96
  5. Step 5: Solve for x
    x = 252,335,597,775.96/548,223.48
  6. Step 6: Final answer
    x = 460,278.71

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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.