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Finding the Fourth Proportional to 1,252.18, 1,879.20 and 594.06

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Solution

The fourth proportional to 1,252.18, 1,879.20 and 594.06 is: 891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.18 : 1,879.20 = 594.06 : x
  2. Step 2: Convert to fraction form
    1,252.18/1,879.20 = 594.06/x
  3. Step 3: Cross multiply
    1,252.18x = 1,879.20 × 594.06
  4. Step 4: Simplify right side
    1,252.18x = 1,116,357.09
  5. Step 5: Solve for x
    x = 1,116,357.09/1,252.18
  6. Step 6: Final answer
    x = 891.53

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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.