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Finding the Fourth Proportional to 1,552.51, 2,327.39 and 578.38

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Solution

The fourth proportional to 1,552.51, 2,327.39 and 578.38 is: 867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.51 : 2,327.39 = 578.38 : x
  2. Step 2: Convert to fraction form
    1,552.51/2,327.39 = 578.38/x
  3. Step 3: Cross multiply
    1,552.51x = 2,327.39 × 578.38
  4. Step 4: Simplify right side
    1,552.51x = 1,346,115.83
  5. Step 5: Solve for x
    x = 1,346,115.83/1,552.51
  6. Step 6: Final answer
    x = 867.06

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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.