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Finding the Fourth Proportional to 363,028.51, 500,940.97 and 201,857.55

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Solution

The fourth proportional to 363,028.51, 500,940.97 and 201,857.55 is: 278,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,028.51 : 500,940.97 = 201,857.55 : x
  2. Step 2: Convert to fraction form
    363,028.51/500,940.97 = 201,857.55/x
  3. Step 3: Cross multiply
    363,028.51x = 500,940.97 × 201,857.55
  4. Step 4: Simplify right side
    363,028.51x = 101,118,716,898.82
  5. Step 5: Solve for x
    x = 101,118,716,898.82/363,028.51
  6. Step 6: Final answer
    x = 278,542.08

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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.