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Finding the Fourth Proportional to 557,750.40, 838,375.20 and 547,252.80

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Solution

The fourth proportional to 557,750.40, 838,375.20 and 547,252.80 is: 822,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,750.40 : 838,375.20 = 547,252.80 : x
  2. Step 2: Convert to fraction form
    557,750.40/838,375.20 = 547,252.80/x
  3. Step 3: Cross multiply
    557,750.40x = 838,375.20 × 547,252.80
  4. Step 4: Simplify right side
    557,750.40x = 458,803,175,650.56
  5. Step 5: Solve for x
    x = 458,803,175,650.56/557,750.40
  6. Step 6: Final answer
    x = 822,595.87

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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.