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Finding the Fourth Proportional to 1,472.33, 2,208.33 and 376.72

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Solution

The fourth proportional to 1,472.33, 2,208.33 and 376.72 is: 565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.33 : 2,208.33 = 376.72 : x
  2. Step 2: Convert to fraction form
    1,472.33/2,208.33 = 376.72/x
  3. Step 3: Cross multiply
    1,472.33x = 2,208.33 × 376.72
  4. Step 4: Simplify right side
    1,472.33x = 831,916.56
  5. Step 5: Solve for x
    x = 831,916.56/1,472.33
  6. Step 6: Final answer
    x = 565.03

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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.