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Finding the Fourth Proportional to 447,606, 671,409 and 132,058.35

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Solution

The fourth proportional to 447,606, 671,409 and 132,058.35 is: 198,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,606 : 671,409 = 132,058.35 : x
  2. Step 2: Convert to fraction form
    447,606/671,409 = 132,058.35/x
  3. Step 3: Cross multiply
    447,606x = 671,409 × 132,058.35
  4. Step 4: Simplify right side
    447,606x = 88,665,164,715.15
  5. Step 5: Solve for x
    x = 88,665,164,715.15/447,606
  6. Step 6: Final answer
    x = 198,087.53

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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.