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Finding the Fourth Proportional to 1,568.13, 2,352.42 and 472.83

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Solution

The fourth proportional to 1,568.13, 2,352.42 and 472.83 is: 709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.13 : 2,352.42 = 472.83 : x
  2. Step 2: Convert to fraction form
    1,568.13/2,352.42 = 472.83/x
  3. Step 3: Cross multiply
    1,568.13x = 2,352.42 × 472.83
  4. Step 4: Simplify right side
    1,568.13x = 1,112,294.75
  5. Step 5: Solve for x
    x = 1,112,294.75/1,568.13
  6. Step 6: Final answer
    x = 709.31

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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.