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Finding the Fourth Proportional to 3,857,755.44, 5,786,873.68 and 1,017,870.32

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Solution

The fourth proportional to 3,857,755.44, 5,786,873.68 and 1,017,870.32 is: 1,526,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,755.44 : 5,786,873.68 = 1,017,870.32 : x
  2. Step 2: Convert to fraction form
    3,857,755.44/5,786,873.68 = 1,017,870.32/x
  3. Step 3: Cross multiply
    3,857,755.44x = 5,786,873.68 × 1,017,870.32
  4. Step 4: Simplify right side
    3,857,755.44x = 5,890,286,964,461.18
  5. Step 5: Solve for x
    x = 5,890,286,964,461.18/3,857,755.44
  6. Step 6: Final answer
    x = 1,526,868.94

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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.