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Finding the Fourth Proportional to 295,835.40, 443,753.10 and 169,864.20

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Solution

The fourth proportional to 295,835.40, 443,753.10 and 169,864.20 is: 254,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,835.40 : 443,753.10 = 169,864.20 : x
  2. Step 2: Convert to fraction form
    295,835.40/443,753.10 = 169,864.20/x
  3. Step 3: Cross multiply
    295,835.40x = 443,753.10 × 169,864.20
  4. Step 4: Simplify right side
    295,835.40x = 75,377,765,329.02
  5. Step 5: Solve for x
    x = 75,377,765,329.02/295,835.40
  6. Step 6: Final answer
    x = 254,796.30

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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.