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Finding the Fourth Proportional to 2,827,647.84, 4,241,471.76 and 805,933.92

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Solution

The fourth proportional to 2,827,647.84, 4,241,471.76 and 805,933.92 is: 1,208,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827,647.84 : 4,241,471.76 = 805,933.92 : x
  2. Step 2: Convert to fraction form
    2,827,647.84/4,241,471.76 = 805,933.92/x
  3. Step 3: Cross multiply
    2,827,647.84x = 4,241,471.76 × 805,933.92
  4. Step 4: Simplify right side
    2,827,647.84x = 3,418,345,962,106.10
  5. Step 5: Solve for x
    x = 3,418,345,962,106.10/2,827,647.84
  6. Step 6: Final answer
    x = 1,208,900.88

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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.