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Finding the Fourth Proportional to 293,763.50, 440,644.17 and 83,401.46

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Solution

The fourth proportional to 293,763.50, 440,644.17 and 83,401.46 is: 125,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,763.50 : 440,644.17 = 83,401.46 : x
  2. Step 2: Convert to fraction form
    293,763.50/440,644.17 = 83,401.46/x
  3. Step 3: Cross multiply
    293,763.50x = 440,644.17 × 83,401.46
  4. Step 4: Simplify right side
    293,763.50x = 36,750,367,118.49
  5. Step 5: Solve for x
    x = 36,750,367,118.49/293,763.50
  6. Step 6: Final answer
    x = 125,101.88

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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.