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Finding the Fourth Proportional to 738.24, 1,107.49 and 464.66

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Solution

The fourth proportional to 738.24, 1,107.49 and 464.66 is: 697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    738.24 : 1,107.49 = 464.66 : x
  2. Step 2: Convert to fraction form
    738.24/1,107.49 = 464.66/x
  3. Step 3: Cross multiply
    738.24x = 1,107.49 × 464.66
  4. Step 4: Simplify right side
    738.24x = 514,606.30
  5. Step 5: Solve for x
    x = 514,606.30/738.24
  6. Step 6: Final answer
    x = 697.07

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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.