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Finding the Fourth Proportional to 408,649.75, 612,968.48 and 183,851.44

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Solution

The fourth proportional to 408,649.75, 612,968.48 and 183,851.44 is: 275,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,649.75 : 612,968.48 = 183,851.44 : x
  2. Step 2: Convert to fraction form
    408,649.75/612,968.48 = 183,851.44/x
  3. Step 3: Cross multiply
    408,649.75x = 612,968.48 × 183,851.44
  4. Step 4: Simplify right side
    408,649.75x = 112,695,137,722.61
  5. Step 5: Solve for x
    x = 112,695,137,722.61/408,649.75
  6. Step 6: Final answer
    x = 275,774.40

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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.