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Finding the Fourth Proportional to 341,456.40, 512,184.60 and 141,755.96

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Solution

The fourth proportional to 341,456.40, 512,184.60 and 141,755.96 is: 212,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,456.40 : 512,184.60 = 141,755.96 : x
  2. Step 2: Convert to fraction form
    341,456.40/512,184.60 = 141,755.96/x
  3. Step 3: Cross multiply
    341,456.40x = 512,184.60 × 141,755.96
  4. Step 4: Simplify right side
    341,456.40x = 72,605,220,950.68
  5. Step 5: Solve for x
    x = 72,605,220,950.68/341,456.40
  6. Step 6: Final answer
    x = 212,633.94

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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.