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Finding the Fourth Proportional to 293,810.20, 440,788.20 and 83,447.80

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Solution

The fourth proportional to 293,810.20, 440,788.20 and 83,447.80 is: 125,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,810.20 : 440,788.20 = 83,447.80 : x
  2. Step 2: Convert to fraction form
    293,810.20/440,788.20 = 83,447.80/x
  3. Step 3: Cross multiply
    293,810.20x = 440,788.20 × 83,447.80
  4. Step 4: Simplify right side
    293,810.20x = 36,782,805,555.96
  5. Step 5: Solve for x
    x = 36,782,805,555.96/293,810.20
  6. Step 6: Final answer
    x = 125,192.41

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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.