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Finding the Fourth Proportional to 365,179.12, 503,943.72 and 204,061.92

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Solution

The fourth proportional to 365,179.12, 503,943.72 and 204,061.92 is: 281,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,179.12 : 503,943.72 = 204,061.92 : x
  2. Step 2: Convert to fraction form
    365,179.12/503,943.72 = 204,061.92/x
  3. Step 3: Cross multiply
    365,179.12x = 503,943.72 × 204,061.92
  4. Step 4: Simplify right side
    365,179.12x = 102,835,723,075.14
  5. Step 5: Solve for x
    x = 102,835,723,075.14/365,179.12
  6. Step 6: Final answer
    x = 281,603.51

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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.