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Finding the Fourth Proportional to 3,468,477.08, 4,786,099.08 and 1,998,599.96

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Solution

The fourth proportional to 3,468,477.08, 4,786,099.08 and 1,998,599.96 is: 2,757,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,477.08 : 4,786,099.08 = 1,998,599.96 : x
  2. Step 2: Convert to fraction form
    3,468,477.08/4,786,099.08 = 1,998,599.96/x
  3. Step 3: Cross multiply
    3,468,477.08x = 4,786,099.08 × 1,998,599.96
  4. Step 4: Simplify right side
    3,468,477.08x = 9,565,497,429,844.04
  5. Step 5: Solve for x
    x = 9,565,497,429,844.04/3,468,477.08
  6. Step 6: Final answer
    x = 2,757,837.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.