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Finding the Fourth Proportional to 737.88, 1,107.08 and 463.65

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Solution

The fourth proportional to 737.88, 1,107.08 and 463.65 is: 695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.88 : 1,107.08 = 463.65 : x
  2. Step 2: Convert to fraction form
    737.88/1,107.08 = 463.65/x
  3. Step 3: Cross multiply
    737.88x = 1,107.08 × 463.65
  4. Step 4: Simplify right side
    737.88x = 513,297.64
  5. Step 5: Solve for x
    x = 513,297.64/737.88
  6. Step 6: Final answer
    x = 695.64

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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.