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Finding the Fourth Proportional to 1,568.34, 2,352.33 and 414.18

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Solution

The fourth proportional to 1,568.34, 2,352.33 and 414.18 is: 621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.34 : 2,352.33 = 414.18 : x
  2. Step 2: Convert to fraction form
    1,568.34/2,352.33 = 414.18/x
  3. Step 3: Cross multiply
    1,568.34x = 2,352.33 × 414.18
  4. Step 4: Simplify right side
    1,568.34x = 974,288.04
  5. Step 5: Solve for x
    x = 974,288.04/1,568.34
  6. Step 6: Final answer
    x = 621.22

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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.