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Finding the Fourth Proportional to 317,773.36, 438,532.72 and 174,539.44

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Solution

The fourth proportional to 317,773.36, 438,532.72 and 174,539.44 is: 240,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,773.36 : 438,532.72 = 174,539.44 : x
  2. Step 2: Convert to fraction form
    317,773.36/438,532.72 = 174,539.44/x
  3. Step 3: Cross multiply
    317,773.36x = 438,532.72 × 174,539.44
  4. Step 4: Simplify right side
    317,773.36x = 76,541,255,370.48
  5. Step 5: Solve for x
    x = 76,541,255,370.48/317,773.36
  6. Step 6: Final answer
    x = 240,867.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.