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Finding the Fourth Proportional to 468,642.56, 702,958.40 and 188,154.88

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Solution

The fourth proportional to 468,642.56, 702,958.40 and 188,154.88 is: 282,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,642.56 : 702,958.40 = 188,154.88 : x
  2. Step 2: Convert to fraction form
    468,642.56/702,958.40 = 188,154.88/x
  3. Step 3: Cross multiply
    468,642.56x = 702,958.40 × 188,154.88
  4. Step 4: Simplify right side
    468,642.56x = 132,265,053,396.99
  5. Step 5: Solve for x
    x = 132,265,053,396.99/468,642.56
  6. Step 6: Final answer
    x = 282,230.14

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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.