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Finding the Fourth Proportional to 369,957.03, 510,542.04 and 200,191.15

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Solution

The fourth proportional to 369,957.03, 510,542.04 and 200,191.15 is: 276,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,957.03 : 510,542.04 = 200,191.15 : x
  2. Step 2: Convert to fraction form
    369,957.03/510,542.04 = 200,191.15/x
  3. Step 3: Cross multiply
    369,957.03x = 510,542.04 × 200,191.15
  4. Step 4: Simplify right side
    369,957.03x = 102,205,998,110.95
  5. Step 5: Solve for x
    x = 102,205,998,110.95/369,957.03
  6. Step 6: Final answer
    x = 276,264.51

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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.