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Finding the Fourth Proportional to 403,792.30, 605,542.65 and 204,046.30

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Solution

The fourth proportional to 403,792.30, 605,542.65 and 204,046.30 is: 305,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,792.30 : 605,542.65 = 204,046.30 : x
  2. Step 2: Convert to fraction form
    403,792.30/605,542.65 = 204,046.30/x
  3. Step 3: Cross multiply
    403,792.30x = 605,542.65 × 204,046.30
  4. Step 4: Simplify right side
    403,792.30x = 123,558,737,224.70
  5. Step 5: Solve for x
    x = 123,558,737,224.70/403,792.30
  6. Step 6: Final answer
    x = 305,995.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.