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Finding the Fourth Proportional to 336,776.61, 504,446.69 and 272,458.76

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Solution

The fourth proportional to 336,776.61, 504,446.69 and 272,458.76 is: 408,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,776.61 : 504,446.69 = 272,458.76 : x
  2. Step 2: Convert to fraction form
    336,776.61/504,446.69 = 272,458.76/x
  3. Step 3: Cross multiply
    336,776.61x = 504,446.69 × 272,458.76
  4. Step 4: Simplify right side
    336,776.61x = 137,440,915,758.98
  5. Step 5: Solve for x
    x = 137,440,915,758.98/336,776.61
  6. Step 6: Final answer
    x = 408,107.07

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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.