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Finding the Fourth Proportional to 293,676.90, 439,531.20 and 293,676.90

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Solution

The fourth proportional to 293,676.90, 439,531.20 and 293,676.90 is: 439,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,676.90 : 439,531.20 = 293,676.90 : x
  2. Step 2: Convert to fraction form
    293,676.90/439,531.20 = 293,676.90/x
  3. Step 3: Cross multiply
    293,676.90x = 439,531.20 × 293,676.90
  4. Step 4: Simplify right side
    293,676.90x = 129,080,160,269.28
  5. Step 5: Solve for x
    x = 129,080,160,269.28/293,676.90
  6. Step 6: Final answer
    x = 439,531.20

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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.