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Finding the Fourth Proportional to 240,964.20, 361,100.70 and 177,287.40

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Solution

The fourth proportional to 240,964.20, 361,100.70 and 177,287.40 is: 265,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,964.20 : 361,100.70 = 177,287.40 : x
  2. Step 2: Convert to fraction form
    240,964.20/361,100.70 = 177,287.40/x
  3. Step 3: Cross multiply
    240,964.20x = 361,100.70 × 177,287.40
  4. Step 4: Simplify right side
    240,964.20x = 64,018,604,241.18
  5. Step 5: Solve for x
    x = 64,018,604,241.18/240,964.20
  6. Step 6: Final answer
    x = 265,676.83

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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.