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Finding the Fourth Proportional to 1,471.88, 2,207.83 and 376.25

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Solution

The fourth proportional to 1,471.88, 2,207.83 and 376.25 is: 564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.88 : 2,207.83 = 376.25 : x
  2. Step 2: Convert to fraction form
    1,471.88/2,207.83 = 376.25/x
  3. Step 3: Cross multiply
    1,471.88x = 2,207.83 × 376.25
  4. Step 4: Simplify right side
    1,471.88x = 830,688.72
  5. Step 5: Solve for x
    x = 830,688.72/1,471.88
  6. Step 6: Final answer
    x = 564.37

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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.