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Finding the Fourth Proportional to 956.34, 1,437.99 and 880.22

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Solution

The fourth proportional to 956.34, 1,437.99 and 880.22 is: 1,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.34 : 1,437.99 = 880.22 : x
  2. Step 2: Convert to fraction form
    956.34/1,437.99 = 880.22/x
  3. Step 3: Cross multiply
    956.34x = 1,437.99 × 880.22
  4. Step 4: Simplify right side
    956.34x = 1,265,747.56
  5. Step 5: Solve for x
    x = 1,265,747.56/956.34
  6. Step 6: Final answer
    x = 1,323.53

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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.