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Finding the Fourth Proportional to 240,261.84, 360,411.84 and 71,769.78

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Solution

The fourth proportional to 240,261.84, 360,411.84 and 71,769.78 is: 107,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,261.84 : 360,411.84 = 71,769.78 : x
  2. Step 2: Convert to fraction form
    240,261.84/360,411.84 = 71,769.78/x
  3. Step 3: Cross multiply
    240,261.84x = 360,411.84 × 71,769.78
  4. Step 4: Simplify right side
    240,261.84x = 25,866,678,466.20
  5. Step 5: Solve for x
    x = 25,866,678,466.20/240,261.84
  6. Step 6: Final answer
    x = 107,660.37

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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.