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Finding the Fourth Proportional to 956.89, 1,432.94 and 566.65

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Solution

The fourth proportional to 956.89, 1,432.94 and 566.65 is: 848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.89 : 1,432.94 = 566.65 : x
  2. Step 2: Convert to fraction form
    956.89/1,432.94 = 566.65/x
  3. Step 3: Cross multiply
    956.89x = 1,432.94 × 566.65
  4. Step 4: Simplify right side
    956.89x = 811,969.54
  5. Step 5: Solve for x
    x = 811,969.54/956.89
  6. Step 6: Final answer
    x = 848.55

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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.