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Finding the Fourth Proportional to 241,802.40, 362,012.40 and 216,919.20

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Solution

The fourth proportional to 241,802.40, 362,012.40 and 216,919.20 is: 324,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,802.40 : 362,012.40 = 216,919.20 : x
  2. Step 2: Convert to fraction form
    241,802.40/362,012.40 = 216,919.20/x
  3. Step 3: Cross multiply
    241,802.40x = 362,012.40 × 216,919.20
  4. Step 4: Simplify right side
    241,802.40x = 78,527,440,198.08
  5. Step 5: Solve for x
    x = 78,527,440,198.08/241,802.40
  6. Step 6: Final answer
    x = 324,758.73

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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.