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Finding the Fourth Proportional to 1,167.48, 1,751.28 and 301.80

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Solution

The fourth proportional to 1,167.48, 1,751.28 and 301.80 is: 452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.48 : 1,751.28 = 301.80 : x
  2. Step 2: Convert to fraction form
    1,167.48/1,751.28 = 301.80/x
  3. Step 3: Cross multiply
    1,167.48x = 1,751.28 × 301.80
  4. Step 4: Simplify right side
    1,167.48x = 528,536.30
  5. Step 5: Solve for x
    x = 528,536.30/1,167.48
  6. Step 6: Final answer
    x = 452.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.