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Finding the Fourth Proportional to 376,888.54, 520,109.50 and 204,806.56

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Solution

The fourth proportional to 376,888.54, 520,109.50 and 204,806.56 is: 282,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,888.54 : 520,109.50 = 204,806.56 : x
  2. Step 2: Convert to fraction form
    376,888.54/520,109.50 = 204,806.56/x
  3. Step 3: Cross multiply
    376,888.54x = 520,109.50 × 204,806.56
  4. Step 4: Simplify right side
    376,888.54x = 106,521,837,518.32
  5. Step 5: Solve for x
    x = 106,521,837,518.32/376,888.54
  6. Step 6: Final answer
    x = 282,634.85

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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.