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Finding the Fourth Proportional to 803,991.18, 1,109,458.11 and 441,413

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Solution

The fourth proportional to 803,991.18, 1,109,458.11 and 441,413 is: 609,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,991.18 : 1,109,458.11 = 441,413 : x
  2. Step 2: Convert to fraction form
    803,991.18/1,109,458.11 = 441,413/x
  3. Step 3: Cross multiply
    803,991.18x = 1,109,458.11 × 441,413
  4. Step 4: Simplify right side
    803,991.18x = 489,729,232,709.43
  5. Step 5: Solve for x
    x = 489,729,232,709.43/803,991.18
  6. Step 6: Final answer
    x = 609,122.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.