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Finding the Fourth Proportional to 336,628.76, 504,506.84 and 136,716.93

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Solution

The fourth proportional to 336,628.76, 504,506.84 and 136,716.93 is: 204,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,628.76 : 504,506.84 = 136,716.93 : x
  2. Step 2: Convert to fraction form
    336,628.76/504,506.84 = 136,716.93/x
  3. Step 3: Cross multiply
    336,628.76x = 504,506.84 × 136,716.93
  4. Step 4: Simplify right side
    336,628.76x = 68,974,625,645.22
  5. Step 5: Solve for x
    x = 68,974,625,645.22/336,628.76
  6. Step 6: Final answer
    x = 204,898.20

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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.