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Finding the Fourth Proportional to 318,181.62, 439,090.68 and 174,951.30

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Solution

The fourth proportional to 318,181.62, 439,090.68 and 174,951.30 is: 241,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,181.62 : 439,090.68 = 174,951.30 : x
  2. Step 2: Convert to fraction form
    318,181.62/439,090.68 = 174,951.30/x
  3. Step 3: Cross multiply
    318,181.62x = 439,090.68 × 174,951.30
  4. Step 4: Simplify right side
    318,181.62x = 76,819,485,283.88
  5. Step 5: Solve for x
    x = 76,819,485,283.88/318,181.62
  6. Step 6: Final answer
    x = 241,432.82

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1.5x scale

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.