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Finding the Fourth Proportional to 239,817.88, 360,135.08 and 229,786.84

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Solution

The fourth proportional to 239,817.88, 360,135.08 and 229,786.84 is: 345,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,817.88 : 360,135.08 = 229,786.84 : x
  2. Step 2: Convert to fraction form
    239,817.88/360,135.08 = 229,786.84/x
  3. Step 3: Cross multiply
    239,817.88x = 360,135.08 × 229,786.84
  4. Step 4: Simplify right side
    239,817.88x = 82,754,302,006.35
  5. Step 5: Solve for x
    x = 82,754,302,006.35/239,817.88
  6. Step 6: Final answer
    x = 345,071.44

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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.