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Finding the Fourth Proportional to 1,167.44, 1,749.36 and 590.72

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Solution

The fourth proportional to 1,167.44, 1,749.36 and 590.72 is: 885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.44 : 1,749.36 = 590.72 : x
  2. Step 2: Convert to fraction form
    1,167.44/1,749.36 = 590.72/x
  3. Step 3: Cross multiply
    1,167.44x = 1,749.36 × 590.72
  4. Step 4: Simplify right side
    1,167.44x = 1,033,381.94
  5. Step 5: Solve for x
    x = 1,033,381.94/1,167.44
  6. Step 6: Final answer
    x = 885.17

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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.