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Finding the Fourth Proportional to 445,437.97, 614,696.85 and 251,842.50

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Solution

The fourth proportional to 445,437.97, 614,696.85 and 251,842.50 is: 347,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,437.97 : 614,696.85 = 251,842.50 : x
  2. Step 2: Convert to fraction form
    445,437.97/614,696.85 = 251,842.50/x
  3. Step 3: Cross multiply
    445,437.97x = 614,696.85 × 251,842.50
  4. Step 4: Simplify right side
    445,437.97x = 154,806,791,446.13
  5. Step 5: Solve for x
    x = 154,806,791,446.13/445,437.97
  6. Step 6: Final answer
    x = 347,538.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.