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Finding the Fourth Proportional to 364,501.49, 503,012.37 and 203,356.58

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Solution

The fourth proportional to 364,501.49, 503,012.37 and 203,356.58 is: 280,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,501.49 : 503,012.37 = 203,356.58 : x
  2. Step 2: Convert to fraction form
    364,501.49/503,012.37 = 203,356.58/x
  3. Step 3: Cross multiply
    364,501.49x = 503,012.37 × 203,356.58
  4. Step 4: Simplify right side
    364,501.49x = 102,290,873,508.42
  5. Step 5: Solve for x
    x = 102,290,873,508.42/364,501.49
  6. Step 6: Final answer
    x = 280,632.25

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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.