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Finding the Fourth Proportional to 2,079,509.82, 2,869,400.04 and 1,174,072.38

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Solution

The fourth proportional to 2,079,509.82, 2,869,400.04 and 1,174,072.38 is: 1,620,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,509.82 : 2,869,400.04 = 1,174,072.38 : x
  2. Step 2: Convert to fraction form
    2,079,509.82/2,869,400.04 = 1,174,072.38/x
  3. Step 3: Cross multiply
    2,079,509.82x = 2,869,400.04 × 1,174,072.38
  4. Step 4: Simplify right side
    2,079,509.82x = 3,368,883,334,134.90
  5. Step 5: Solve for x
    x = 3,368,883,334,134.90/2,079,509.82
  6. Step 6: Final answer
    x = 1,620,037.23

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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.