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Finding the Fourth Proportional to 1,472.21, 2,207.82 and 594.48

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Solution

The fourth proportional to 1,472.21, 2,207.82 and 594.48 is: 891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.21 : 2,207.82 = 594.48 : x
  2. Step 2: Convert to fraction form
    1,472.21/2,207.82 = 594.48/x
  3. Step 3: Cross multiply
    1,472.21x = 2,207.82 × 594.48
  4. Step 4: Simplify right side
    1,472.21x = 1,312,504.83
  5. Step 5: Solve for x
    x = 1,312,504.83/1,472.21
  6. Step 6: Final answer
    x = 891.52

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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.