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Finding the Fourth Proportional to 364,572.25, 503,034.57 and 209,493.58

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Solution

The fourth proportional to 364,572.25, 503,034.57 and 209,493.58 is: 289,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,572.25 : 503,034.57 = 209,493.58 : x
  2. Step 2: Convert to fraction form
    364,572.25/503,034.57 = 209,493.58/x
  3. Step 3: Cross multiply
    364,572.25x = 503,034.57 × 209,493.58
  4. Step 4: Simplify right side
    364,572.25x = 105,382,511,675.47
  5. Step 5: Solve for x
    x = 105,382,511,675.47/364,572.25
  6. Step 6: Final answer
    x = 289,057.96

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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.