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Finding the Fourth Proportional to 1,341.98, 2,013.30 and 464.49

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Solution

The fourth proportional to 1,341.98, 2,013.30 and 464.49 is: 696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.98 : 2,013.30 = 464.49 : x
  2. Step 2: Convert to fraction form
    1,341.98/2,013.30 = 464.49/x
  3. Step 3: Cross multiply
    1,341.98x = 2,013.30 × 464.49
  4. Step 4: Simplify right side
    1,341.98x = 935,157.72
  5. Step 5: Solve for x
    x = 935,157.72/1,341.98
  6. Step 6: Final answer
    x = 696.85

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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.