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Finding the Fourth Proportional to 331,672.60, 497,714.10 and 174,014.20

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Solution

The fourth proportional to 331,672.60, 497,714.10 and 174,014.20 is: 261,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,672.60 : 497,714.10 = 174,014.20 : x
  2. Step 2: Convert to fraction form
    331,672.60/497,714.10 = 174,014.20/x
  3. Step 3: Cross multiply
    331,672.60x = 497,714.10 × 174,014.20
  4. Step 4: Simplify right side
    331,672.60x = 86,609,320,940.22
  5. Step 5: Solve for x
    x = 86,609,320,940.22/331,672.60
  6. Step 6: Final answer
    x = 261,128.96

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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.