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Finding the Fourth Proportional to 443,189.32, 611,592.84 and 271,094.68

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Solution

The fourth proportional to 443,189.32, 611,592.84 and 271,094.68 is: 374,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,189.32 : 611,592.84 = 271,094.68 : x
  2. Step 2: Convert to fraction form
    443,189.32/611,592.84 = 271,094.68/x
  3. Step 3: Cross multiply
    443,189.32x = 611,592.84 × 271,094.68
  4. Step 4: Simplify right side
    443,189.32x = 165,799,565,250.09
  5. Step 5: Solve for x
    x = 165,799,565,250.09/443,189.32
  6. Step 6: Final answer
    x = 374,105.51

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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.