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Finding the Fourth Proportional to 958.82, 1,437.72 and 465.06

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Solution

The fourth proportional to 958.82, 1,437.72 and 465.06 is: 697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.82 : 1,437.72 = 465.06 : x
  2. Step 2: Convert to fraction form
    958.82/1,437.72 = 465.06/x
  3. Step 3: Cross multiply
    958.82x = 1,437.72 × 465.06
  4. Step 4: Simplify right side
    958.82x = 668,626.06
  5. Step 5: Solve for x
    x = 668,626.06/958.82
  6. Step 6: Final answer
    x = 697.34

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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.