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Finding the Fourth Proportional to 364,726.81, 503,262.79 and 203,581.81

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Solution

The fourth proportional to 364,726.81, 503,262.79 and 203,581.81 is: 280,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,726.81 : 503,262.79 = 203,581.81 : x
  2. Step 2: Convert to fraction form
    364,726.81/503,262.79 = 203,581.81/x
  3. Step 3: Cross multiply
    364,726.81x = 503,262.79 × 203,581.81
  4. Step 4: Simplify right side
    364,726.81x = 102,455,149,693.85
  5. Step 5: Solve for x
    x = 102,455,149,693.85/364,726.81
  6. Step 6: Final answer
    x = 280,909.29

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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.