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Finding the Fourth Proportional to 271,404.76, 374,531.33 and 156,679.52

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Solution

The fourth proportional to 271,404.76, 374,531.33 and 156,679.52 is: 216,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,404.76 : 374,531.33 = 156,679.52 : x
  2. Step 2: Convert to fraction form
    271,404.76/374,531.33 = 156,679.52/x
  3. Step 3: Cross multiply
    271,404.76x = 374,531.33 × 156,679.52
  4. Step 4: Simplify right side
    271,404.76x = 58,681,390,337.39
  5. Step 5: Solve for x
    x = 58,681,390,337.39/271,404.76
  6. Step 6: Final answer
    x = 216,213.57

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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.