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Finding the Fourth Proportional to 408,650.06, 612,968.92 and 183,851.76

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Solution

The fourth proportional to 408,650.06, 612,968.92 and 183,851.76 is: 275,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,650.06 : 612,968.92 = 183,851.76 : x
  2. Step 2: Convert to fraction form
    408,650.06/612,968.92 = 183,851.76/x
  3. Step 3: Cross multiply
    408,650.06x = 612,968.92 × 183,851.76
  4. Step 4: Simplify right side
    408,650.06x = 112,695,414,767.30
  5. Step 5: Solve for x
    x = 112,695,414,767.30/408,650.06
  6. Step 6: Final answer
    x = 275,774.86

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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.