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Finding the Fourth Proportional to 958.84, 1,437.62 and 465.11

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Solution

The fourth proportional to 958.84, 1,437.62 and 465.11 is: 697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.84 : 1,437.62 = 465.11 : x
  2. Step 2: Convert to fraction form
    958.84/1,437.62 = 465.11/x
  3. Step 3: Cross multiply
    958.84x = 1,437.62 × 465.11
  4. Step 4: Simplify right side
    958.84x = 668,651.44
  5. Step 5: Solve for x
    x = 668,651.44/958.84
  6. Step 6: Final answer
    x = 697.35

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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.