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Finding the Fourth Proportional to 1,344.72, 2,017.08 and 467.16

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Solution

The fourth proportional to 1,344.72, 2,017.08 and 467.16 is: 700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.72 : 2,017.08 = 467.16 : x
  2. Step 2: Convert to fraction form
    1,344.72/2,017.08 = 467.16/x
  3. Step 3: Cross multiply
    1,344.72x = 2,017.08 × 467.16
  4. Step 4: Simplify right side
    1,344.72x = 942,299.09
  5. Step 5: Solve for x
    x = 942,299.09/1,344.72
  6. Step 6: Final answer
    x = 700.74

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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.