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Finding the Fourth Proportional to 240,289.28, 360,506.24 and 71,815.11

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Solution

The fourth proportional to 240,289.28, 360,506.24 and 71,815.11 is: 107,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,289.28 : 360,506.24 = 71,815.11 : x
  2. Step 2: Convert to fraction form
    240,289.28/360,506.24 = 71,815.11/x
  3. Step 3: Cross multiply
    240,289.28x = 360,506.24 × 71,815.11
  4. Step 4: Simplify right side
    240,289.28x = 25,889,794,243.58
  5. Step 5: Solve for x
    x = 25,889,794,243.58/240,289.28
  6. Step 6: Final answer
    x = 107,744.27

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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.