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Finding the Fourth Proportional to 308,504.44, 462,794.10 and 86,888.44

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Solution

The fourth proportional to 308,504.44, 462,794.10 and 86,888.44 is: 130,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,504.44 : 462,794.10 = 86,888.44 : x
  2. Step 2: Convert to fraction form
    308,504.44/462,794.10 = 86,888.44/x
  3. Step 3: Cross multiply
    308,504.44x = 462,794.10 × 86,888.44
  4. Step 4: Simplify right side
    308,504.44x = 40,211,457,390.20
  5. Step 5: Solve for x
    x = 40,211,457,390.20/308,504.44
  6. Step 6: Final answer
    x = 130,343.20

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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.