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Finding the Fourth Proportional to 475,158.18, 655,765.31 and 271,239.74

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Solution

The fourth proportional to 475,158.18, 655,765.31 and 271,239.74 is: 374,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,158.18 : 655,765.31 = 271,239.74 : x
  2. Step 2: Convert to fraction form
    475,158.18/655,765.31 = 271,239.74/x
  3. Step 3: Cross multiply
    475,158.18x = 655,765.31 × 271,239.74
  4. Step 4: Simplify right side
    475,158.18x = 177,869,607,550.39
  5. Step 5: Solve for x
    x = 177,869,607,550.39/475,158.18
  6. Step 6: Final answer
    x = 374,337.67

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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.