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Finding the Fourth Proportional to 1,466.71, 2,199.88 and 371.08

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Solution

The fourth proportional to 1,466.71, 2,199.88 and 371.08 is: 556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.71 : 2,199.88 = 371.08 : x
  2. Step 2: Convert to fraction form
    1,466.71/2,199.88 = 371.08/x
  3. Step 3: Cross multiply
    1,466.71x = 2,199.88 × 371.08
  4. Step 4: Simplify right side
    1,466.71x = 816,335.73
  5. Step 5: Solve for x
    x = 816,335.73/1,466.71
  6. Step 6: Final answer
    x = 556.58

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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.