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Finding the Fourth Proportional to 364,665.35, 503,263.44 and 203,551.79

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Solution

The fourth proportional to 364,665.35, 503,263.44 and 203,551.79 is: 280,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,665.35 : 503,263.44 = 203,551.79 : x
  2. Step 2: Convert to fraction form
    364,665.35/503,263.44 = 203,551.79/x
  3. Step 3: Cross multiply
    364,665.35x = 503,263.44 × 203,551.79
  4. Step 4: Simplify right side
    364,665.35x = 102,440,174,053.56
  5. Step 5: Solve for x
    x = 102,440,174,053.56/364,665.35
  6. Step 6: Final answer
    x = 280,915.57

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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.