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Finding the Fourth Proportional to 977.24, 1,464.24 and 566.84

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Solution

The fourth proportional to 977.24, 1,464.24 and 566.84 is: 849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.24 : 1,464.24 = 566.84 : x
  2. Step 2: Convert to fraction form
    977.24/1,464.24 = 566.84/x
  3. Step 3: Cross multiply
    977.24x = 1,464.24 × 566.84
  4. Step 4: Simplify right side
    977.24x = 829,989.80
  5. Step 5: Solve for x
    x = 829,989.80/977.24
  6. Step 6: Final answer
    x = 849.32

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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.