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Finding the Fourth Proportional to 293,358.44, 439,967.18 and 135,435.18

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Solution

The fourth proportional to 293,358.44, 439,967.18 and 135,435.18 is: 203,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,358.44 : 439,967.18 = 135,435.18 : x
  2. Step 2: Convert to fraction form
    293,358.44/439,967.18 = 135,435.18/x
  3. Step 3: Cross multiply
    293,358.44x = 439,967.18 × 135,435.18
  4. Step 4: Simplify right side
    293,358.44x = 59,587,034,217.39
  5. Step 5: Solve for x
    x = 59,587,034,217.39/293,358.44
  6. Step 6: Final answer
    x = 203,120.23

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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.