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Finding the Fourth Proportional to 293,552.80, 440,242.80 and 83,209.12

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Solution

The fourth proportional to 293,552.80, 440,242.80 and 83,209.12 is: 124,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,552.80 : 440,242.80 = 83,209.12 : x
  2. Step 2: Convert to fraction form
    293,552.80/440,242.80 = 83,209.12/x
  3. Step 3: Cross multiply
    293,552.80x = 440,242.80 × 83,209.12
  4. Step 4: Simplify right side
    293,552.80x = 36,632,215,974.34
  5. Step 5: Solve for x
    x = 36,632,215,974.34/293,552.80
  6. Step 6: Final answer
    x = 124,789.19

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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.