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Finding the Fourth Proportional to 336,305.09, 504,459.46 and 99,649.82

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Solution

The fourth proportional to 336,305.09, 504,459.46 and 99,649.82 is: 149,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,305.09 : 504,459.46 = 99,649.82 : x
  2. Step 2: Convert to fraction form
    336,305.09/504,459.46 = 99,649.82/x
  3. Step 3: Cross multiply
    336,305.09x = 504,459.46 × 99,649.82
  4. Step 4: Simplify right side
    336,305.09x = 50,269,293,888.05
  5. Step 5: Solve for x
    x = 50,269,293,888.05/336,305.09
  6. Step 6: Final answer
    x = 149,475.27

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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.