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Finding the Fourth Proportional to 364,632.96, 503,218.78 and 203,519.40

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Solution

The fourth proportional to 364,632.96, 503,218.78 and 203,519.40 is: 280,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,632.96 : 503,218.78 = 203,519.40 : x
  2. Step 2: Convert to fraction form
    364,632.96/503,218.78 = 203,519.40/x
  3. Step 3: Cross multiply
    364,632.96x = 503,218.78 × 203,519.40
  4. Step 4: Simplify right side
    364,632.96x = 102,414,784,174.33
  5. Step 5: Solve for x
    x = 102,414,784,174.33/364,632.96
  6. Step 6: Final answer
    x = 280,870.89

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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.