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Finding the Fourth Proportional to 6,319,900.80, 9,463,813.20 and 3,476,800.80

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Solution

The fourth proportional to 6,319,900.80, 9,463,813.20 and 3,476,800.80 is: 5,206,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319,900.80 : 9,463,813.20 = 3,476,800.80 : x
  2. Step 2: Convert to fraction form
    6,319,900.80/9,463,813.20 = 3,476,800.80/x
  3. Step 3: Cross multiply
    6,319,900.80x = 9,463,813.20 × 3,476,800.80
  4. Step 4: Simplify right side
    6,319,900.80x = 32,903,793,304,810.55
  5. Step 5: Solve for x
    x = 32,903,793,304,810.55/6,319,900.80
  6. Step 6: Final answer
    x = 5,206,378.13

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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.