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Finding the Fourth Proportional to 409,308.30, 613,853.10 and 124,998.30

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Solution

The fourth proportional to 409,308.30, 613,853.10 and 124,998.30 is: 187,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,308.30 : 613,853.10 = 124,998.30 : x
  2. Step 2: Convert to fraction form
    409,308.30/613,853.10 = 124,998.30/x
  3. Step 3: Cross multiply
    409,308.30x = 613,853.10 × 124,998.30
  4. Step 4: Simplify right side
    409,308.30x = 76,730,593,949.73
  5. Step 5: Solve for x
    x = 76,730,593,949.73/409,308.30
  6. Step 6: Final answer
    x = 187,464.06

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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.