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Finding the Fourth Proportional to 240,689.57, 332,223.60 and 155,812.37

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Solution

The fourth proportional to 240,689.57, 332,223.60 and 155,812.37 is: 215,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,689.57 : 332,223.60 = 155,812.37 : x
  2. Step 2: Convert to fraction form
    240,689.57/332,223.60 = 155,812.37/x
  3. Step 3: Cross multiply
    240,689.57x = 332,223.60 × 155,812.37
  4. Step 4: Simplify right side
    240,689.57x = 51,764,544,824.81
  5. Step 5: Solve for x
    x = 51,764,544,824.81/240,689.57
  6. Step 6: Final answer
    x = 215,067.67

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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.