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Finding the Fourth Proportional to 1,472.59, 2,208.87 and 376.95

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Solution

The fourth proportional to 1,472.59, 2,208.87 and 376.95 is: 565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.59 : 2,208.87 = 376.95 : x
  2. Step 2: Convert to fraction form
    1,472.59/2,208.87 = 376.95/x
  3. Step 3: Cross multiply
    1,472.59x = 2,208.87 × 376.95
  4. Step 4: Simplify right side
    1,472.59x = 832,633.55
  5. Step 5: Solve for x
    x = 832,633.55/1,472.59
  6. Step 6: Final answer
    x = 565.42

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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.