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Finding the Fourth Proportional to 240,867.20, 360,955.20 and 177,190.40

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Solution

The fourth proportional to 240,867.20, 360,955.20 and 177,190.40 is: 265,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,867.20 : 360,955.20 = 177,190.40 : x
  2. Step 2: Convert to fraction form
    240,867.20/360,955.20 = 177,190.40/x
  3. Step 3: Cross multiply
    240,867.20x = 360,955.20 × 177,190.40
  4. Step 4: Simplify right side
    240,867.20x = 63,957,796,270.08
  5. Step 5: Solve for x
    x = 63,957,796,270.08/240,867.20
  6. Step 6: Final answer
    x = 265,531.36

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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.