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Finding the Fourth Proportional to 1,466.54, 2,199.93 and 542.09

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Solution

The fourth proportional to 1,466.54, 2,199.93 and 542.09 is: 813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.54 : 2,199.93 = 542.09 : x
  2. Step 2: Convert to fraction form
    1,466.54/2,199.93 = 542.09/x
  3. Step 3: Cross multiply
    1,466.54x = 2,199.93 × 542.09
  4. Step 4: Simplify right side
    1,466.54x = 1,192,563.52
  5. Step 5: Solve for x
    x = 1,192,563.52/1,466.54
  6. Step 6: Final answer
    x = 813.18

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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.