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Finding the Fourth Proportional to 1,546.71, 2,320.22 and 506.38

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Solution

The fourth proportional to 1,546.71, 2,320.22 and 506.38 is: 759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.71 : 2,320.22 = 506.38 : x
  2. Step 2: Convert to fraction form
    1,546.71/2,320.22 = 506.38/x
  3. Step 3: Cross multiply
    1,546.71x = 2,320.22 × 506.38
  4. Step 4: Simplify right side
    1,546.71x = 1,174,908.47
  5. Step 5: Solve for x
    x = 1,174,908.47/1,546.71
  6. Step 6: Final answer
    x = 759.62

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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.