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Finding the Fourth Proportional to 3,246,409.91, 4,869,611.10 and 1,302,015.87

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Solution

The fourth proportional to 3,246,409.91, 4,869,611.10 and 1,302,015.87 is: 1,953,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246,409.91 : 4,869,611.10 = 1,302,015.87 : x
  2. Step 2: Convert to fraction form
    3,246,409.91/4,869,611.10 = 1,302,015.87/x
  3. Step 3: Cross multiply
    3,246,409.91x = 4,869,611.10 × 1,302,015.87
  4. Step 4: Simplify right side
    3,246,409.91x = 6,340,310,932,928.16
  5. Step 5: Solve for x
    x = 6,340,310,932,928.16/3,246,409.91
  6. Step 6: Final answer
    x = 1,953,022.30

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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.