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Finding the Fourth Proportional to 364,336.62, 502,790.99 and 203,174.36

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Solution

The fourth proportional to 364,336.62, 502,790.99 and 203,174.36 is: 280,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,336.62 : 502,790.99 = 203,174.36 : x
  2. Step 2: Convert to fraction form
    364,336.62/502,790.99 = 203,174.36/x
  3. Step 3: Cross multiply
    364,336.62x = 502,790.99 × 203,174.36
  4. Step 4: Simplify right side
    364,336.62x = 102,154,237,607.02
  5. Step 5: Solve for x
    x = 102,154,237,607.02/364,336.62
  6. Step 6: Final answer
    x = 280,384.22

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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.