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Finding the Fourth Proportional to 1,462.13, 2,193.15 and 488.24

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Solution

The fourth proportional to 1,462.13, 2,193.15 and 488.24 is: 732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.13 : 2,193.15 = 488.24 : x
  2. Step 2: Convert to fraction form
    1,462.13/2,193.15 = 488.24/x
  3. Step 3: Cross multiply
    1,462.13x = 2,193.15 × 488.24
  4. Step 4: Simplify right side
    1,462.13x = 1,070,783.56
  5. Step 5: Solve for x
    x = 1,070,783.56/1,462.13
  6. Step 6: Final answer
    x = 732.34

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1.5x scale

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.