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Finding the Fourth Proportional to 580,755.80, 871,243.98 and 201,661.88

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Solution

The fourth proportional to 580,755.80, 871,243.98 and 201,661.88 is: 302,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,755.80 : 871,243.98 = 201,661.88 : x
  2. Step 2: Convert to fraction form
    580,755.80/871,243.98 = 201,661.88/x
  3. Step 3: Cross multiply
    580,755.80x = 871,243.98 × 201,661.88
  4. Step 4: Simplify right side
    580,755.80x = 175,696,698,945.48
  5. Step 5: Solve for x
    x = 175,696,698,945.48/580,755.80
  6. Step 6: Final answer
    x = 302,531.11

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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.