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Finding the Fourth Proportional to 240,977.76, 332,544.52 and 145,488.48

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Solution

The fourth proportional to 240,977.76, 332,544.52 and 145,488.48 is: 200,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,977.76 : 332,544.52 = 145,488.48 : x
  2. Step 2: Convert to fraction form
    240,977.76/332,544.52 = 145,488.48/x
  3. Step 3: Cross multiply
    240,977.76x = 332,544.52 × 145,488.48
  4. Step 4: Simplify right side
    240,977.76x = 48,381,396,747.13
  5. Step 5: Solve for x
    x = 48,381,396,747.13/240,977.76
  6. Step 6: Final answer
    x = 200,771.21

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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.