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Finding the Fourth Proportional to 371,074.97, 512,131.76 and 207,793.66

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Solution

The fourth proportional to 371,074.97, 512,131.76 and 207,793.66 is: 286,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,074.97 : 512,131.76 = 207,793.66 : x
  2. Step 2: Convert to fraction form
    371,074.97/512,131.76 = 207,793.66/x
  3. Step 3: Cross multiply
    371,074.97x = 512,131.76 × 207,793.66
  4. Step 4: Simplify right side
    371,074.97x = 106,417,732,812.64
  5. Step 5: Solve for x
    x = 106,417,732,812.64/371,074.97
  6. Step 6: Final answer
    x = 286,782.30

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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.