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Finding the Fourth Proportional to 334,484.84, 501,722.89 and 81,767.54

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Solution

The fourth proportional to 334,484.84, 501,722.89 and 81,767.54 is: 122,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,484.84 : 501,722.89 = 81,767.54 : x
  2. Step 2: Convert to fraction form
    334,484.84/501,722.89 = 81,767.54/x
  3. Step 3: Cross multiply
    334,484.84x = 501,722.89 × 81,767.54
  4. Step 4: Simplify right side
    334,484.84x = 41,024,647,526.88
  5. Step 5: Solve for x
    x = 41,024,647,526.88/334,484.84
  6. Step 6: Final answer
    x = 122,650.24

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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.