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Finding the Fourth Proportional to 881,451, 1,322,550.63 and 481,624.70

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Solution

The fourth proportional to 881,451, 1,322,550.63 and 481,624.70 is: 722,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,451 : 1,322,550.63 = 481,624.70 : x
  2. Step 2: Convert to fraction form
    881,451/1,322,550.63 = 481,624.70/x
  3. Step 3: Cross multiply
    881,451x = 1,322,550.63 × 481,624.70
  4. Step 4: Simplify right side
    881,451x = 636,973,043,795.81
  5. Step 5: Solve for x
    x = 636,973,043,795.81/881,451
  6. Step 6: Final answer
    x = 722,641.47

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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.