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Finding the Fourth Proportional to 352,343.08, 486,233.78 and 201,443.24

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Solution

The fourth proportional to 352,343.08, 486,233.78 and 201,443.24 is: 277,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,343.08 : 486,233.78 = 201,443.24 : x
  2. Step 2: Convert to fraction form
    352,343.08/486,233.78 = 201,443.24/x
  3. Step 3: Cross multiply
    352,343.08x = 486,233.78 × 201,443.24
  4. Step 4: Simplify right side
    352,343.08x = 97,948,508,040.65
  5. Step 5: Solve for x
    x = 97,948,508,040.65/352,343.08
  6. Step 6: Final answer
    x = 277,991.86

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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.