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Finding the Fourth Proportional to 271,459.35, 374,646.24 and 156,765.96

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Solution

The fourth proportional to 271,459.35, 374,646.24 and 156,765.96 is: 216,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,459.35 : 374,646.24 = 156,765.96 : x
  2. Step 2: Convert to fraction form
    271,459.35/374,646.24 = 156,765.96/x
  3. Step 3: Cross multiply
    271,459.35x = 374,646.24 × 156,765.96
  4. Step 4: Simplify right side
    271,459.35x = 58,731,777,473.99
  5. Step 5: Solve for x
    x = 58,731,777,473.99/271,459.35
  6. Step 6: Final answer
    x = 216,355.70

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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.