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Finding the Fourth Proportional to 779.58, 1,169.06 and 467.37

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Solution

The fourth proportional to 779.58, 1,169.06 and 467.37 is: 700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    779.58 : 1,169.06 = 467.37 : x
  2. Step 2: Convert to fraction form
    779.58/1,169.06 = 467.37/x
  3. Step 3: Cross multiply
    779.58x = 1,169.06 × 467.37
  4. Step 4: Simplify right side
    779.58x = 546,381.24
  5. Step 5: Solve for x
    x = 546,381.24/779.58
  6. Step 6: Final answer
    x = 700.87

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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.