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Finding the Fourth Proportional to 608,568.20, 911,540.10 and 608,568.20

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Solution

The fourth proportional to 608,568.20, 911,540.10 and 608,568.20 is: 911,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,568.20 : 911,540.10 = 608,568.20 : x
  2. Step 2: Convert to fraction form
    608,568.20/911,540.10 = 608,568.20/x
  3. Step 3: Cross multiply
    608,568.20x = 911,540.10 × 608,568.20
  4. Step 4: Simplify right side
    608,568.20x = 554,734,317,884.82
  5. Step 5: Solve for x
    x = 554,734,317,884.82/608,568.20
  6. Step 6: Final answer
    x = 911,540.10

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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.