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Finding the Fourth Proportional to 371,165.36, 512,089.17 and 207,797.86

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Solution

The fourth proportional to 371,165.36, 512,089.17 and 207,797.86 is: 286,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,165.36 : 512,089.17 = 207,797.86 : x
  2. Step 2: Convert to fraction form
    371,165.36/512,089.17 = 207,797.86/x
  3. Step 3: Cross multiply
    371,165.36x = 512,089.17 × 207,797.86
  4. Step 4: Simplify right side
    371,165.36x = 106,411,033,655.18
  5. Step 5: Solve for x
    x = 106,411,033,655.18/371,165.36
  6. Step 6: Final answer
    x = 286,694.41

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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.