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Finding the Fourth Proportional to 365,207.40, 503,957.52 and 201,857.04

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Solution

The fourth proportional to 365,207.40, 503,957.52 and 201,857.04 is: 278,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,207.40 : 503,957.52 = 201,857.04 : x
  2. Step 2: Convert to fraction form
    365,207.40/503,957.52 = 201,857.04/x
  3. Step 3: Cross multiply
    365,207.40x = 503,957.52 × 201,857.04
  4. Step 4: Simplify right side
    365,207.40x = 101,727,373,272.94
  5. Step 5: Solve for x
    x = 101,727,373,272.94/365,207.40
  6. Step 6: Final answer
    x = 278,546.86

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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.