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Finding the Fourth Proportional to 612,173.24, 844,556.10 and 354,002.44

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Solution

The fourth proportional to 612,173.24, 844,556.10 and 354,002.44 is: 488,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,173.24 : 844,556.10 = 354,002.44 : x
  2. Step 2: Convert to fraction form
    612,173.24/844,556.10 = 354,002.44/x
  3. Step 3: Cross multiply
    612,173.24x = 844,556.10 × 354,002.44
  4. Step 4: Simplify right side
    612,173.24x = 298,974,920,116.88
  5. Step 5: Solve for x
    x = 298,974,920,116.88/612,173.24
  6. Step 6: Final answer
    x = 488,382.86

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1.5x scale

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.