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Finding the Fourth Proportional to 334,640.70, 501,961.05 and 113,024.70

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Solution

The fourth proportional to 334,640.70, 501,961.05 and 113,024.70 is: 169,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,640.70 : 501,961.05 = 113,024.70 : x
  2. Step 2: Convert to fraction form
    334,640.70/501,961.05 = 113,024.70/x
  3. Step 3: Cross multiply
    334,640.70x = 501,961.05 × 113,024.70
  4. Step 4: Simplify right side
    334,640.70x = 56,733,997,087.94
  5. Step 5: Solve for x
    x = 56,733,997,087.94/334,640.70
  6. Step 6: Final answer
    x = 169,537.05

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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.