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Finding the Fourth Proportional to 246,613.88, 340,301.10 and 143,227.88

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Solution

The fourth proportional to 246,613.88, 340,301.10 and 143,227.88 is: 197,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,613.88 : 340,301.10 = 143,227.88 : x
  2. Step 2: Convert to fraction form
    246,613.88/340,301.10 = 143,227.88/x
  3. Step 3: Cross multiply
    246,613.88x = 340,301.10 × 143,227.88
  4. Step 4: Simplify right side
    246,613.88x = 48,740,605,114.67
  5. Step 5: Solve for x
    x = 48,740,605,114.67/246,613.88
  6. Step 6: Final answer
    x = 197,639.34

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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.