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Finding the Fourth Proportional to 1,568.92, 2,353.48 and 473.28

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Solution

The fourth proportional to 1,568.92, 2,353.48 and 473.28 is: 709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.92 : 2,353.48 = 473.28 : x
  2. Step 2: Convert to fraction form
    1,568.92/2,353.48 = 473.28/x
  3. Step 3: Cross multiply
    1,568.92x = 2,353.48 × 473.28
  4. Step 4: Simplify right side
    1,568.92x = 1,113,855.01
  5. Step 5: Solve for x
    x = 1,113,855.01/1,568.92
  6. Step 6: Final answer
    x = 709.95

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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.