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Finding the Fourth Proportional to 776.52, 1,162.70 and 467.94

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Solution

The fourth proportional to 776.52, 1,162.70 and 467.94 is: 700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    776.52 : 1,162.70 = 467.94 : x
  2. Step 2: Convert to fraction form
    776.52/1,162.70 = 467.94/x
  3. Step 3: Cross multiply
    776.52x = 1,162.70 × 467.94
  4. Step 4: Simplify right side
    776.52x = 544,073.84
  5. Step 5: Solve for x
    x = 544,073.84/776.52
  6. Step 6: Final answer
    x = 700.66

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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.