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Finding the Fourth Proportional to 541,920.80, 813,385.56 and 275,880.48

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Solution

The fourth proportional to 541,920.80, 813,385.56 and 275,880.48 is: 414,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,920.80 : 813,385.56 = 275,880.48 : x
  2. Step 2: Convert to fraction form
    541,920.80/813,385.56 = 275,880.48/x
  3. Step 3: Cross multiply
    541,920.80x = 813,385.56 × 275,880.48
  4. Step 4: Simplify right side
    541,920.80x = 224,397,198,717.87
  5. Step 5: Solve for x
    x = 224,397,198,717.87/541,920.80
  6. Step 6: Final answer
    x = 414,077.48

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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.