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Finding the Fourth Proportional to 331,968.72, 497,697.84 and 171,873

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Solution

The fourth proportional to 331,968.72, 497,697.84 and 171,873 is: 257,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,968.72 : 497,697.84 = 171,873 : x
  2. Step 2: Convert to fraction form
    331,968.72/497,697.84 = 171,873/x
  3. Step 3: Cross multiply
    331,968.72x = 497,697.84 × 171,873
  4. Step 4: Simplify right side
    331,968.72x = 85,540,820,854.32
  5. Step 5: Solve for x
    x = 85,540,820,854.32/331,968.72
  6. Step 6: Final answer
    x = 257,677.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.