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Finding the Fourth Proportional to 293,717.44, 440,568.42 and 83,355.40

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Solution

The fourth proportional to 293,717.44, 440,568.42 and 83,355.40 is: 125,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,717.44 : 440,568.42 = 83,355.40 : x
  2. Step 2: Convert to fraction form
    293,717.44/440,568.42 = 83,355.40/x
  3. Step 3: Cross multiply
    293,717.44x = 440,568.42 × 83,355.40
  4. Step 4: Simplify right side
    293,717.44x = 36,723,756,876.47
  5. Step 5: Solve for x
    x = 36,723,756,876.47/293,717.44
  6. Step 6: Final answer
    x = 125,030.90

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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.