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Finding the Fourth Proportional to 580,985.32, 871,618.08 and 201,850.87

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Solution

The fourth proportional to 580,985.32, 871,618.08 and 201,850.87 is: 302,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,985.32 : 871,618.08 = 201,850.87 : x
  2. Step 2: Convert to fraction form
    580,985.32/871,618.08 = 201,850.87/x
  3. Step 3: Cross multiply
    580,985.32x = 871,618.08 × 201,850.87
  4. Step 4: Simplify right side
    580,985.32x = 175,936,867,755.73
  5. Step 5: Solve for x
    x = 175,936,867,755.73/580,985.32
  6. Step 6: Final answer
    x = 302,824.98

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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.