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Finding the Fourth Proportional to 547,474.20, 819,656.10 and 547,474.20

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Solution

The fourth proportional to 547,474.20, 819,656.10 and 547,474.20 is: 819,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,474.20 : 819,656.10 = 547,474.20 : x
  2. Step 2: Convert to fraction form
    547,474.20/819,656.10 = 547,474.20/x
  3. Step 3: Cross multiply
    547,474.20x = 819,656.10 × 547,474.20
  4. Step 4: Simplify right side
    547,474.20x = 448,740,567,622.62
  5. Step 5: Solve for x
    x = 448,740,567,622.62/547,474.20
  6. Step 6: Final answer
    x = 819,656.10

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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.