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Finding the Fourth Proportional to 3,553,919.88, 4,904,410 and 1,922,326.53

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Solution

The fourth proportional to 3,553,919.88, 4,904,410 and 1,922,326.53 is: 2,652,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,919.88 : 4,904,410 = 1,922,326.53 : x
  2. Step 2: Convert to fraction form
    3,553,919.88/4,904,410 = 1,922,326.53/x
  3. Step 3: Cross multiply
    3,553,919.88x = 4,904,410 × 1,922,326.53
  4. Step 4: Simplify right side
    3,553,919.88x = 9,427,877,456,997.30
  5. Step 5: Solve for x
    x = 9,427,877,456,997.30/3,553,919.88
  6. Step 6: Final answer
    x = 2,652,810.92

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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.