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Finding the Fourth Proportional to 361,369.32, 541,534.52 and 203,263.80

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Solution

The fourth proportional to 361,369.32, 541,534.52 and 203,263.80 is: 304,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,369.32 : 541,534.52 = 203,263.80 : x
  2. Step 2: Convert to fraction form
    361,369.32/541,534.52 = 203,263.80/x
  3. Step 3: Cross multiply
    361,369.32x = 541,534.52 × 203,263.80
  4. Step 4: Simplify right side
    361,369.32x = 110,074,364,366.38
  5. Step 5: Solve for x
    x = 110,074,364,366.38/361,369.32
  6. Step 6: Final answer
    x = 304,603.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.