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Finding the Fourth Proportional to 317,468.22, 438,111.48 and 174,241.59

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Solution

The fourth proportional to 317,468.22, 438,111.48 and 174,241.59 is: 240,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,468.22 : 438,111.48 = 174,241.59 : x
  2. Step 2: Convert to fraction form
    317,468.22/438,111.48 = 174,241.59/x
  3. Step 3: Cross multiply
    317,468.22x = 438,111.48 × 174,241.59
  4. Step 4: Simplify right side
    317,468.22x = 76,337,240,872.45
  5. Step 5: Solve for x
    x = 76,337,240,872.45/317,468.22
  6. Step 6: Final answer
    x = 240,456.32

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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.