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Finding the Fourth Proportional to 675.04, 1,010.76 and 365.44

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Solution

The fourth proportional to 675.04, 1,010.76 and 365.44 is: 547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.04 : 1,010.76 = 365.44 : x
  2. Step 2: Convert to fraction form
    675.04/1,010.76 = 365.44/x
  3. Step 3: Cross multiply
    675.04x = 1,010.76 × 365.44
  4. Step 4: Simplify right side
    675.04x = 369,372.13
  5. Step 5: Solve for x
    x = 369,372.13/675.04
  6. Step 6: Final answer
    x = 547.19

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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.