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Finding the Fourth Proportional to 550,364.52, 825,546.78 and 251,428.95

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Solution

The fourth proportional to 550,364.52, 825,546.78 and 251,428.95 is: 377,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,364.52 : 825,546.78 = 251,428.95 : x
  2. Step 2: Convert to fraction form
    550,364.52/825,546.78 = 251,428.95/x
  3. Step 3: Cross multiply
    550,364.52x = 825,546.78 × 251,428.95
  4. Step 4: Simplify right side
    550,364.52x = 207,566,360,071.28
  5. Step 5: Solve for x
    x = 207,566,360,071.28/550,364.52
  6. Step 6: Final answer
    x = 377,143.43

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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.