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Finding the Fourth Proportional to 361,510.97, 498,901.95 and 200,369.57

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Solution

The fourth proportional to 361,510.97, 498,901.95 and 200,369.57 is: 276,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,510.97 : 498,901.95 = 200,369.57 : x
  2. Step 2: Convert to fraction form
    361,510.97/498,901.95 = 200,369.57/x
  3. Step 3: Cross multiply
    361,510.97x = 498,901.95 × 200,369.57
  4. Step 4: Simplify right side
    361,510.97x = 99,964,766,699.15
  5. Step 5: Solve for x
    x = 99,964,766,699.15/361,510.97
  6. Step 6: Final answer
    x = 276,519.32

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1.5x scale

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.