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Finding the Fourth Proportional to 888,993, 1,226,810.25 and 481,094.84

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Solution

The fourth proportional to 888,993, 1,226,810.25 and 481,094.84 is: 663,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,993 : 1,226,810.25 = 481,094.84 : x
  2. Step 2: Convert to fraction form
    888,993/1,226,810.25 = 481,094.84/x
  3. Step 3: Cross multiply
    888,993x = 1,226,810.25 × 481,094.84
  4. Step 4: Simplify right side
    888,993x = 590,212,074,800.06
  5. Step 5: Solve for x
    x = 590,212,074,800.06/888,993
  6. Step 6: Final answer
    x = 663,910.82

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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.