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Finding the Fourth Proportional to 497,770.92, 686,924.56 and 271,416.42

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Solution

The fourth proportional to 497,770.92, 686,924.56 and 271,416.42 is: 374,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,770.92 : 686,924.56 = 271,416.42 : x
  2. Step 2: Convert to fraction form
    497,770.92/686,924.56 = 271,416.42/x
  3. Step 3: Cross multiply
    497,770.92x = 686,924.56 × 271,416.42
  4. Step 4: Simplify right side
    497,770.92x = 186,442,604,885.28
  5. Step 5: Solve for x
    x = 186,442,604,885.28/497,770.92
  6. Step 6: Final answer
    x = 374,555.04

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Similar ratio
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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.