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Finding the Fourth Proportional to 293,677.90, 439,532.70 and 293,677.90

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Solution

The fourth proportional to 293,677.90, 439,532.70 and 293,677.90 is: 439,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,677.90 : 439,532.70 = 293,677.90 : x
  2. Step 2: Convert to fraction form
    293,677.90/439,532.70 = 293,677.90/x
  3. Step 3: Cross multiply
    293,677.90x = 439,532.70 × 293,677.90
  4. Step 4: Simplify right side
    293,677.90x = 129,081,040,317.33
  5. Step 5: Solve for x
    x = 129,081,040,317.33/293,677.90
  6. Step 6: Final answer
    x = 439,532.70

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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.