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Finding the Fourth Proportional to 336,329.73, 464,113.94 and 192,988.89

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Solution

The fourth proportional to 336,329.73, 464,113.94 and 192,988.89 is: 266,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,329.73 : 464,113.94 = 192,988.89 : x
  2. Step 2: Convert to fraction form
    336,329.73/464,113.94 = 192,988.89/x
  3. Step 3: Cross multiply
    336,329.73x = 464,113.94 × 192,988.89
  4. Step 4: Simplify right side
    336,329.73x = 89,568,833,149.18
  5. Step 5: Solve for x
    x = 89,568,833,149.18/336,329.73
  6. Step 6: Final answer
    x = 266,312.57

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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.