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Finding the Fourth Proportional to 295,405.76, 443,166.96 and 108,418.88

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Solution

The fourth proportional to 295,405.76, 443,166.96 and 108,418.88 is: 162,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,405.76 : 443,166.96 = 108,418.88 : x
  2. Step 2: Convert to fraction form
    295,405.76/443,166.96 = 108,418.88/x
  3. Step 3: Cross multiply
    295,405.76x = 443,166.96 × 108,418.88
  4. Step 4: Simplify right side
    295,405.76x = 48,047,665,456.20
  5. Step 5: Solve for x
    x = 48,047,665,456.20/295,405.76
  6. Step 6: Final answer
    x = 162,649.72

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1.5x scale

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.