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Finding the Fourth Proportional to 517,180.68, 775,771.97 and 162,222.21

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Solution

The fourth proportional to 517,180.68, 775,771.97 and 162,222.21 is: 243,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,180.68 : 775,771.97 = 162,222.21 : x
  2. Step 2: Convert to fraction form
    517,180.68/775,771.97 = 162,222.21/x
  3. Step 3: Cross multiply
    517,180.68x = 775,771.97 × 162,222.21
  4. Step 4: Simplify right side
    517,180.68x = 125,847,442,618.34
  5. Step 5: Solve for x
    x = 125,847,442,618.34/517,180.68
  6. Step 6: Final answer
    x = 243,333.61

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.