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Finding the Fourth Proportional to 364,758.06, 503,357.70 and 203,628

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Solution

The fourth proportional to 364,758.06, 503,357.70 and 203,628 is: 281,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,758.06 : 503,357.70 = 203,628 : x
  2. Step 2: Convert to fraction form
    364,758.06/503,357.70 = 203,628/x
  3. Step 3: Cross multiply
    364,758.06x = 503,357.70 × 203,628
  4. Step 4: Simplify right side
    364,758.06x = 102,497,721,735.60
  5. Step 5: Solve for x
    x = 102,497,721,735.60/364,758.06
  6. Step 6: Final answer
    x = 281,001.94

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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.