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Finding the Fourth Proportional to 317,773.06, 438,530.43 and 174,536.44

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Solution

The fourth proportional to 317,773.06, 438,530.43 and 174,536.44 is: 240,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,773.06 : 438,530.43 = 174,536.44 : x
  2. Step 2: Convert to fraction form
    317,773.06/438,530.43 = 174,536.44/x
  3. Step 3: Cross multiply
    317,773.06x = 438,530.43 × 174,536.44
  4. Step 4: Simplify right side
    317,773.06x = 76,539,540,083.87
  5. Step 5: Solve for x
    x = 76,539,540,083.87/317,773.06
  6. Step 6: Final answer
    x = 240,862.27

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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.