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Finding the Fourth Proportional to 363,292.80, 543,902.40 and 223,324.80

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Solution

The fourth proportional to 363,292.80, 543,902.40 and 223,324.80 is: 334,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,292.80 : 543,902.40 = 223,324.80 : x
  2. Step 2: Convert to fraction form
    363,292.80/543,902.40 = 223,324.80/x
  3. Step 3: Cross multiply
    363,292.80x = 543,902.40 × 223,324.80
  4. Step 4: Simplify right side
    363,292.80x = 121,466,894,699.52
  5. Step 5: Solve for x
    x = 121,466,894,699.52/363,292.80
  6. Step 6: Final answer
    x = 334,349.85

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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.