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Finding the Fourth Proportional to 8,978,348.90, 13,473,415.83 and 3,298,620.26

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Solution

The fourth proportional to 8,978,348.90, 13,473,415.83 and 3,298,620.26 is: 4,950,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,348.90 : 13,473,415.83 = 3,298,620.26 : x
  2. Step 2: Convert to fraction form
    8,978,348.90/13,473,415.83 = 3,298,620.26/x
  3. Step 3: Cross multiply
    8,978,348.90x = 13,473,415.83 × 3,298,620.26
  4. Step 4: Simplify right side
    8,978,348.90x = 44,443,682,428,242.71
  5. Step 5: Solve for x
    x = 44,443,682,428,242.71/8,978,348.90
  6. Step 6: Final answer
    x = 4,950,095.27

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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.