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Finding the Fourth Proportional to 929,843.98, 1,394,766 and 368,878.48

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Solution

The fourth proportional to 929,843.98, 1,394,766 and 368,878.48 is: 553,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,843.98 : 1,394,766 = 368,878.48 : x
  2. Step 2: Convert to fraction form
    929,843.98/1,394,766 = 368,878.48/x
  3. Step 3: Cross multiply
    929,843.98x = 1,394,766 × 368,878.48
  4. Step 4: Simplify right side
    929,843.98x = 514,499,162,035.68
  5. Step 5: Solve for x
    x = 514,499,162,035.68/929,843.98
  6. Step 6: Final answer
    x = 553,317.73

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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.