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Finding the Fourth Proportional to 818,108.05, 1,226,751.44 and 476,662

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Solution

The fourth proportional to 818,108.05, 1,226,751.44 and 476,662 is: 714,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,108.05 : 1,226,751.44 = 476,662 : x
  2. Step 2: Convert to fraction form
    818,108.05/1,226,751.44 = 476,662/x
  3. Step 3: Cross multiply
    818,108.05x = 1,226,751.44 × 476,662
  4. Step 4: Simplify right side
    818,108.05x = 584,745,792,509.97
  5. Step 5: Solve for x
    x = 584,745,792,509.97/818,108.05
  6. Step 6: Final answer
    x = 714,753.74

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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.