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Finding the Fourth Proportional to 397,175.66, 547,882.34 and 251,714.30

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Solution

The fourth proportional to 397,175.66, 547,882.34 and 251,714.30 is: 347,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,175.66 : 547,882.34 = 251,714.30 : x
  2. Step 2: Convert to fraction form
    397,175.66/547,882.34 = 251,714.30/x
  3. Step 3: Cross multiply
    397,175.66x = 547,882.34 × 251,714.30
  4. Step 4: Simplify right side
    397,175.66x = 137,909,819,695.46
  5. Step 5: Solve for x
    x = 137,909,819,695.46/397,175.66
  6. Step 6: Final answer
    x = 347,226.26

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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.