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Finding the Fourth Proportional to 1,167.97, 1,751.95 and 302.28

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Solution

The fourth proportional to 1,167.97, 1,751.95 and 302.28 is: 453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.97 : 1,751.95 = 302.28 : x
  2. Step 2: Convert to fraction form
    1,167.97/1,751.95 = 302.28/x
  3. Step 3: Cross multiply
    1,167.97x = 1,751.95 × 302.28
  4. Step 4: Simplify right side
    1,167.97x = 529,579.45
  5. Step 5: Solve for x
    x = 529,579.45/1,167.97
  6. Step 6: Final answer
    x = 453.42

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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.