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Finding the Fourth Proportional to 1,461.95, 2,192.92 and 488.04

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Solution

The fourth proportional to 1,461.95, 2,192.92 and 488.04 is: 732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.95 : 2,192.92 = 488.04 : x
  2. Step 2: Convert to fraction form
    1,461.95/2,192.92 = 488.04/x
  3. Step 3: Cross multiply
    1,461.95x = 2,192.92 × 488.04
  4. Step 4: Simplify right side
    1,461.95x = 1,070,232.68
  5. Step 5: Solve for x
    x = 1,070,232.68/1,461.95
  6. Step 6: Final answer
    x = 732.06

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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.