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Finding the Fourth Proportional to 1,578.04, 2,366.45 and 590.24

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Solution

The fourth proportional to 1,578.04, 2,366.45 and 590.24 is: 885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.04 : 2,366.45 = 590.24 : x
  2. Step 2: Convert to fraction form
    1,578.04/2,366.45 = 590.24/x
  3. Step 3: Cross multiply
    1,578.04x = 2,366.45 × 590.24
  4. Step 4: Simplify right side
    1,578.04x = 1,396,778.63
  5. Step 5: Solve for x
    x = 1,396,778.63/1,578.04
  6. Step 6: Final answer
    x = 885.14

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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.