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Finding the Fourth Proportional to 873,441.78, 1,308,063.15 and 498,327.54

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Solution

The fourth proportional to 873,441.78, 1,308,063.15 and 498,327.54 is: 746,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,441.78 : 1,308,063.15 = 498,327.54 : x
  2. Step 2: Convert to fraction form
    873,441.78/1,308,063.15 = 498,327.54/x
  3. Step 3: Cross multiply
    873,441.78x = 1,308,063.15 × 498,327.54
  4. Step 4: Simplify right side
    873,441.78x = 651,843,891,704.15
  5. Step 5: Solve for x
    x = 651,843,891,704.15/873,441.78
  6. Step 6: Final answer
    x = 746,293.46

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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.