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Finding the Fourth Proportional to 548,400.10, 822,600.15 and 527,404.90

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Solution

The fourth proportional to 548,400.10, 822,600.15 and 527,404.90 is: 791,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,400.10 : 822,600.15 = 527,404.90 : x
  2. Step 2: Convert to fraction form
    548,400.10/822,600.15 = 527,404.90/x
  3. Step 3: Cross multiply
    548,400.10x = 822,600.15 × 527,404.90
  4. Step 4: Simplify right side
    548,400.10x = 433,843,349,850.74
  5. Step 5: Solve for x
    x = 433,843,349,850.74/548,400.10
  6. Step 6: Final answer
    x = 791,107.35

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Similar ratio
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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.