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Finding the Fourth Proportional to 959.34, 1,437.97 and 464.70

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Solution

The fourth proportional to 959.34, 1,437.97 and 464.70 is: 696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.34 : 1,437.97 = 464.70 : x
  2. Step 2: Convert to fraction form
    959.34/1,437.97 = 464.70/x
  3. Step 3: Cross multiply
    959.34x = 1,437.97 × 464.70
  4. Step 4: Simplify right side
    959.34x = 668,215.15
  5. Step 5: Solve for x
    x = 668,215.15/959.34
  6. Step 6: Final answer
    x = 696.54

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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.