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Finding the Fourth Proportional to 408,643.46, 612,959.03 and 183,845.14

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Solution

The fourth proportional to 408,643.46, 612,959.03 and 183,845.14 is: 275,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,643.46 : 612,959.03 = 183,845.14 : x
  2. Step 2: Convert to fraction form
    408,643.46/612,959.03 = 183,845.14/x
  3. Step 3: Cross multiply
    408,643.46x = 612,959.03 × 183,845.14
  4. Step 4: Simplify right side
    408,643.46x = 112,689,541,145.90
  5. Step 5: Solve for x
    x = 112,689,541,145.90/408,643.46
  6. Step 6: Final answer
    x = 275,764.95

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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.