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Finding the Fourth Proportional to 317,562.52, 438,234.54 and 174,325

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Solution

The fourth proportional to 317,562.52, 438,234.54 and 174,325 is: 240,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,562.52 : 438,234.54 = 174,325 : x
  2. Step 2: Convert to fraction form
    317,562.52/438,234.54 = 174,325/x
  3. Step 3: Cross multiply
    317,562.52x = 438,234.54 × 174,325
  4. Step 4: Simplify right side
    317,562.52x = 76,395,236,185.50
  5. Step 5: Solve for x
    x = 76,395,236,185.50/317,562.52
  6. Step 6: Final answer
    x = 240,567.55

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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.