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Finding the Fourth Proportional to 1,165.80, 1,749.58 and 588.36

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Solution

The fourth proportional to 1,165.80, 1,749.58 and 588.36 is: 882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.80 : 1,749.58 = 588.36 : x
  2. Step 2: Convert to fraction form
    1,165.80/1,749.58 = 588.36/x
  3. Step 3: Cross multiply
    1,165.80x = 1,749.58 × 588.36
  4. Step 4: Simplify right side
    1,165.80x = 1,029,382.89
  5. Step 5: Solve for x
    x = 1,029,382.89/1,165.80
  6. Step 6: Final answer
    x = 882.98

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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.