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Finding the Fourth Proportional to 340,508.14, 469,883.10 and 195,306.46

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Solution

The fourth proportional to 340,508.14, 469,883.10 and 195,306.46 is: 269,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,508.14 : 469,883.10 = 195,306.46 : x
  2. Step 2: Convert to fraction form
    340,508.14/469,883.10 = 195,306.46/x
  3. Step 3: Cross multiply
    340,508.14x = 469,883.10 × 195,306.46
  4. Step 4: Simplify right side
    340,508.14x = 91,771,204,874.83
  5. Step 5: Solve for x
    x = 91,771,204,874.83/340,508.14
  6. Step 6: Final answer
    x = 269,512.51

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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.