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Finding the Fourth Proportional to 517,180.24, 775,770.49 and 143,203.24

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Solution

The fourth proportional to 517,180.24, 775,770.49 and 143,203.24 is: 214,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,180.24 : 775,770.49 = 143,203.24 : x
  2. Step 2: Convert to fraction form
    517,180.24/775,770.49 = 143,203.24/x
  3. Step 3: Cross multiply
    517,180.24x = 775,770.49 × 143,203.24
  4. Step 4: Simplify right side
    517,180.24x = 111,092,843,785.54
  5. Step 5: Solve for x
    x = 111,092,843,785.54/517,180.24
  6. Step 6: Final answer
    x = 214,804.89

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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.