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Finding the Fourth Proportional to 1,507.25, 2,261.15 and 467.24

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Solution

The fourth proportional to 1,507.25, 2,261.15 and 467.24 is: 700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.25 : 2,261.15 = 467.24 : x
  2. Step 2: Convert to fraction form
    1,507.25/2,261.15 = 467.24/x
  3. Step 3: Cross multiply
    1,507.25x = 2,261.15 × 467.24
  4. Step 4: Simplify right side
    1,507.25x = 1,056,499.73
  5. Step 5: Solve for x
    x = 1,056,499.73/1,507.25
  6. Step 6: Final answer
    x = 700.95

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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.