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Finding the Fourth Proportional to 1,342.34, 2,013.36 and 464.68

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Solution

The fourth proportional to 1,342.34, 2,013.36 and 464.68 is: 696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.34 : 2,013.36 = 464.68 : x
  2. Step 2: Convert to fraction form
    1,342.34/2,013.36 = 464.68/x
  3. Step 3: Cross multiply
    1,342.34x = 2,013.36 × 464.68
  4. Step 4: Simplify right side
    1,342.34x = 935,571.16
  5. Step 5: Solve for x
    x = 935,571.16/1,342.34
  6. Step 6: Final answer
    x = 696.97

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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.