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Finding the Fourth Proportional to 245,881.40, 367,947.30 and 170,648.60

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Solution

The fourth proportional to 245,881.40, 367,947.30 and 170,648.60 is: 255,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,881.40 : 367,947.30 = 170,648.60 : x
  2. Step 2: Convert to fraction form
    245,881.40/367,947.30 = 170,648.60/x
  3. Step 3: Cross multiply
    245,881.40x = 367,947.30 × 170,648.60
  4. Step 4: Simplify right side
    245,881.40x = 62,789,691,618.78
  5. Step 5: Solve for x
    x = 62,789,691,618.78/245,881.40
  6. Step 6: Final answer
    x = 255,365.76

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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.