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Finding the Fourth Proportional to 1,167.08, 1,750.82 and 508.95

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Solution

The fourth proportional to 1,167.08, 1,750.82 and 508.95 is: 763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.08 : 1,750.82 = 508.95 : x
  2. Step 2: Convert to fraction form
    1,167.08/1,750.82 = 508.95/x
  3. Step 3: Cross multiply
    1,167.08x = 1,750.82 × 508.95
  4. Step 4: Simplify right side
    1,167.08x = 891,077.29
  5. Step 5: Solve for x
    x = 891,077.29/1,167.08
  6. Step 6: Final answer
    x = 763.51

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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.