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Finding the Fourth Proportional to 336,414.50, 504,719.16 and 99,762.89

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Solution

The fourth proportional to 336,414.50, 504,719.16 and 99,762.89 is: 149,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,414.50 : 504,719.16 = 99,762.89 : x
  2. Step 2: Convert to fraction form
    336,414.50/504,719.16 = 99,762.89/x
  3. Step 3: Cross multiply
    336,414.50x = 504,719.16 × 99,762.89
  4. Step 4: Simplify right side
    336,414.50x = 50,352,242,039.97
  5. Step 5: Solve for x
    x = 50,352,242,039.97/336,414.50
  6. Step 6: Final answer
    x = 149,673.22

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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.