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Finding the Fourth Proportional to 240,524.28, 360,728.10 and 100,206.36

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Solution

The fourth proportional to 240,524.28, 360,728.10 and 100,206.36 is: 150,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,524.28 : 360,728.10 = 100,206.36 : x
  2. Step 2: Convert to fraction form
    240,524.28/360,728.10 = 100,206.36/x
  3. Step 3: Cross multiply
    240,524.28x = 360,728.10 × 100,206.36
  4. Step 4: Simplify right side
    240,524.28x = 36,147,249,850.72
  5. Step 5: Solve for x
    x = 36,147,249,850.72/240,524.28
  6. Step 6: Final answer
    x = 150,285.24

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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.