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Finding the Fourth Proportional to 382,406.13, 573,531.44 and 363,437.55

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Solution

The fourth proportional to 382,406.13, 573,531.44 and 363,437.55 is: 545,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,406.13 : 573,531.44 = 363,437.55 : x
  2. Step 2: Convert to fraction form
    382,406.13/573,531.44 = 363,437.55/x
  3. Step 3: Cross multiply
    382,406.13x = 573,531.44 × 363,437.55
  4. Step 4: Simplify right side
    382,406.13x = 208,442,859,584.38
  5. Step 5: Solve for x
    x = 208,442,859,584.38/382,406.13
  6. Step 6: Final answer
    x = 545,082.42

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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.