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Finding the Fourth Proportional to 240,433.80, 360,650.70 and 100,174.20

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Solution

The fourth proportional to 240,433.80, 360,650.70 and 100,174.20 is: 150,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,433.80 : 360,650.70 = 100,174.20 : x
  2. Step 2: Convert to fraction form
    240,433.80/360,650.70 = 100,174.20/x
  3. Step 3: Cross multiply
    240,433.80x = 360,650.70 × 100,174.20
  4. Step 4: Simplify right side
    240,433.80x = 36,127,895,351.94
  5. Step 5: Solve for x
    x = 36,127,895,351.94/240,433.80
  6. Step 6: Final answer
    x = 150,261.30

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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.