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Finding the Fourth Proportional to 504,167.40, 755,538.30 and 279,626.76

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Solution

The fourth proportional to 504,167.40, 755,538.30 and 279,626.76 is: 419,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,167.40 : 755,538.30 = 279,626.76 : x
  2. Step 2: Convert to fraction form
    504,167.40/755,538.30 = 279,626.76/x
  3. Step 3: Cross multiply
    504,167.40x = 755,538.30 × 279,626.76
  4. Step 4: Simplify right side
    504,167.40x = 211,268,726,884.91
  5. Step 5: Solve for x
    x = 211,268,726,884.91/504,167.40
  6. Step 6: Final answer
    x = 419,044.80

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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.