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Finding the Fourth Proportional to 550,046.40, 825,215.40 and 195,023.40

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Solution

The fourth proportional to 550,046.40, 825,215.40 and 195,023.40 is: 292,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,046.40 : 825,215.40 = 195,023.40 : x
  2. Step 2: Convert to fraction form
    550,046.40/825,215.40 = 195,023.40/x
  3. Step 3: Cross multiply
    550,046.40x = 825,215.40 × 195,023.40
  4. Step 4: Simplify right side
    550,046.40x = 160,936,313,040.36
  5. Step 5: Solve for x
    x = 160,936,313,040.36/550,046.40
  6. Step 6: Final answer
    x = 292,586.79

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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.