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Finding the Fourth Proportional to 1,463.94, 2,196.78 and 586.26

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Solution

The fourth proportional to 1,463.94, 2,196.78 and 586.26 is: 879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.94 : 2,196.78 = 586.26 : x
  2. Step 2: Convert to fraction form
    1,463.94/2,196.78 = 586.26/x
  3. Step 3: Cross multiply
    1,463.94x = 2,196.78 × 586.26
  4. Step 4: Simplify right side
    1,463.94x = 1,287,884.24
  5. Step 5: Solve for x
    x = 1,287,884.24/1,463.94
  6. Step 6: Final answer
    x = 879.74

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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.