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Finding the Fourth Proportional to 3,143,875.35, 4,715,813.03 and 3,143,875.35

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Solution

The fourth proportional to 3,143,875.35, 4,715,813.03 and 3,143,875.35 is: 4,715,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,875.35 : 4,715,813.03 = 3,143,875.35 : x
  2. Step 2: Convert to fraction form
    3,143,875.35/4,715,813.03 = 3,143,875.35/x
  3. Step 3: Cross multiply
    3,143,875.35x = 4,715,813.03 × 3,143,875.35
  4. Step 4: Simplify right side
    3,143,875.35x = 14,825,928,324,506.44
  5. Step 5: Solve for x
    x = 14,825,928,324,506.44/3,143,875.35
  6. Step 6: Final answer
    x = 4,715,813.03

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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.