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Finding the Fourth Proportional to 364,703.32, 503,315.94 and 203,589.82

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Solution

The fourth proportional to 364,703.32, 503,315.94 and 203,589.82 is: 280,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,703.32 : 503,315.94 = 203,589.82 : x
  2. Step 2: Convert to fraction form
    364,703.32/503,315.94 = 203,589.82/x
  3. Step 3: Cross multiply
    364,703.32x = 503,315.94 × 203,589.82
  4. Step 4: Simplify right side
    364,703.32x = 102,470,001,627.73
  5. Step 5: Solve for x
    x = 102,470,001,627.73/364,703.32
  6. Step 6: Final answer
    x = 280,968.11

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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.