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Finding the Fourth Proportional to 263,624.66, 363,801.47 and 142,765.57

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Solution

The fourth proportional to 263,624.66, 363,801.47 and 142,765.57 is: 197,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,624.66 : 363,801.47 = 142,765.57 : x
  2. Step 2: Convert to fraction form
    263,624.66/363,801.47 = 142,765.57/x
  3. Step 3: Cross multiply
    263,624.66x = 363,801.47 × 142,765.57
  4. Step 4: Simplify right side
    263,624.66x = 51,938,324,231.39
  5. Step 5: Solve for x
    x = 51,938,324,231.39/263,624.66
  6. Step 6: Final answer
    x = 197,016.19

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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.