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Finding the Fourth Proportional to 360,521.82, 540,819.45 and 123,833.82

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Solution

The fourth proportional to 360,521.82, 540,819.45 and 123,833.82 is: 185,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,521.82 : 540,819.45 = 123,833.82 : x
  2. Step 2: Convert to fraction form
    360,521.82/540,819.45 = 123,833.82/x
  3. Step 3: Cross multiply
    360,521.82x = 540,819.45 × 123,833.82
  4. Step 4: Simplify right side
    360,521.82x = 66,971,738,423.80
  5. Step 5: Solve for x
    x = 66,971,738,423.80/360,521.82
  6. Step 6: Final answer
    x = 185,763.34

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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.