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Finding the Fourth Proportional to 3,368,252.80, 5,064,820.80 and 2,820,822.40

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Solution

The fourth proportional to 3,368,252.80, 5,064,820.80 and 2,820,822.40 is: 4,241,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368,252.80 : 5,064,820.80 = 2,820,822.40 : x
  2. Step 2: Convert to fraction form
    3,368,252.80/5,064,820.80 = 2,820,822.40/x
  3. Step 3: Cross multiply
    3,368,252.80x = 5,064,820.80 × 2,820,822.40
  4. Step 4: Simplify right side
    3,368,252.80x = 14,286,959,964,625.92
  5. Step 5: Solve for x
    x = 14,286,959,964,625.92/3,368,252.80
  6. Step 6: Final answer
    x = 4,241,653.11

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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.