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Finding the Fourth Proportional to 343,753.83, 474,385.41 and 190,801.95

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Solution

The fourth proportional to 343,753.83, 474,385.41 and 190,801.95 is: 263,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,753.83 : 474,385.41 = 190,801.95 : x
  2. Step 2: Convert to fraction form
    343,753.83/474,385.41 = 190,801.95/x
  3. Step 3: Cross multiply
    343,753.83x = 474,385.41 × 190,801.95
  4. Step 4: Simplify right side
    343,753.83x = 90,513,661,279.55
  5. Step 5: Solve for x
    x = 90,513,661,279.55/343,753.83
  6. Step 6: Final answer
    x = 263,309.54

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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.