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Finding the Fourth Proportional to 362,654.19, 500,452.89 and 201,505.09

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Solution

The fourth proportional to 362,654.19, 500,452.89 and 201,505.09 is: 278,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,654.19 : 500,452.89 = 201,505.09 : x
  2. Step 2: Convert to fraction form
    362,654.19/500,452.89 = 201,505.09/x
  3. Step 3: Cross multiply
    362,654.19x = 500,452.89 × 201,505.09
  4. Step 4: Simplify right side
    362,654.19x = 100,843,804,640.21
  5. Step 5: Solve for x
    x = 100,843,804,640.21/362,654.19
  6. Step 6: Final answer
    x = 278,071.53

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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.