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Finding the Fourth Proportional to 609,511.56, 841,134.74 and 351,383.73

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Solution

The fourth proportional to 609,511.56, 841,134.74 and 351,383.73 is: 484,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,511.56 : 841,134.74 = 351,383.73 : x
  2. Step 2: Convert to fraction form
    609,511.56/841,134.74 = 351,383.73/x
  3. Step 3: Cross multiply
    609,511.56x = 841,134.74 × 351,383.73
  4. Step 4: Simplify right side
    609,511.56x = 295,561,062,373.78
  5. Step 5: Solve for x
    x = 295,561,062,373.78/609,511.56
  6. Step 6: Final answer
    x = 484,914.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.