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Finding the Fourth Proportional to 1,578.06, 2,367.10 and 604.17

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Solution

The fourth proportional to 1,578.06, 2,367.10 and 604.17 is: 906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.06 : 2,367.10 = 604.17 : x
  2. Step 2: Convert to fraction form
    1,578.06/2,367.10 = 604.17/x
  3. Step 3: Cross multiply
    1,578.06x = 2,367.10 × 604.17
  4. Step 4: Simplify right side
    1,578.06x = 1,430,115.95
  5. Step 5: Solve for x
    x = 1,430,115.95/1,578.06
  6. Step 6: Final answer
    x = 906.25

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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.