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Finding the Fourth Proportional to 1,160.56, 1,740.48 and 574.96

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Solution

The fourth proportional to 1,160.56, 1,740.48 and 574.96 is: 862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.56 : 1,740.48 = 574.96 : x
  2. Step 2: Convert to fraction form
    1,160.56/1,740.48 = 574.96/x
  3. Step 3: Cross multiply
    1,160.56x = 1,740.48 × 574.96
  4. Step 4: Simplify right side
    1,160.56x = 1,000,706.38
  5. Step 5: Solve for x
    x = 1,000,706.38/1,160.56
  6. Step 6: Final answer
    x = 862.26

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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.