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Finding the Fourth Proportional to 364,506.19, 503,033.12 and 203,375.32

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Solution

The fourth proportional to 364,506.19, 503,033.12 and 203,375.32 is: 280,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,506.19 : 503,033.12 = 203,375.32 : x
  2. Step 2: Convert to fraction form
    364,506.19/503,033.12 = 203,375.32/x
  3. Step 3: Cross multiply
    364,506.19x = 503,033.12 × 203,375.32
  4. Step 4: Simplify right side
    364,506.19x = 102,304,520,238.80
  5. Step 5: Solve for x
    x = 102,304,520,238.80/364,506.19
  6. Step 6: Final answer
    x = 280,666.07

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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.