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Finding the Fourth Proportional to 1,176.49, 1,765.31 and 832.04

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Solution

The fourth proportional to 1,176.49, 1,765.31 and 832.04 is: 1,248.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.49 : 1,765.31 = 832.04 : x
  2. Step 2: Convert to fraction form
    1,176.49/1,765.31 = 832.04/x
  3. Step 3: Cross multiply
    1,176.49x = 1,765.31 × 832.04
  4. Step 4: Simplify right side
    1,176.49x = 1,468,795.55
  5. Step 5: Solve for x
    x = 1,468,795.55/1,176.49
  6. Step 6: Final answer
    x = 1,248.46

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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.