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Finding the Fourth Proportional to 1,568.44, 2,352.66 and 528.25

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Solution

The fourth proportional to 1,568.44, 2,352.66 and 528.25 is: 792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.44 : 2,352.66 = 528.25 : x
  2. Step 2: Convert to fraction form
    1,568.44/2,352.66 = 528.25/x
  3. Step 3: Cross multiply
    1,568.44x = 2,352.66 × 528.25
  4. Step 4: Simplify right side
    1,568.44x = 1,242,792.65
  5. Step 5: Solve for x
    x = 1,242,792.65/1,568.44
  6. Step 6: Final answer
    x = 792.38

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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.