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Finding the Fourth Proportional to 1,616.24, 2,424.36 and 461.99

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Solution

The fourth proportional to 1,616.24, 2,424.36 and 461.99 is: 692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.24 : 2,424.36 = 461.99 : x
  2. Step 2: Convert to fraction form
    1,616.24/2,424.36 = 461.99/x
  3. Step 3: Cross multiply
    1,616.24x = 2,424.36 × 461.99
  4. Step 4: Simplify right side
    1,616.24x = 1,120,030.08
  5. Step 5: Solve for x
    x = 1,120,030.08/1,616.24
  6. Step 6: Final answer
    x = 692.99

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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.