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Finding the Fourth Proportional to 580,673.30, 871,120.11 and 201,579.26

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Solution

The fourth proportional to 580,673.30, 871,120.11 and 201,579.26 is: 302,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,673.30 : 871,120.11 = 201,579.26 : x
  2. Step 2: Convert to fraction form
    580,673.30/871,120.11 = 201,579.26/x
  3. Step 3: Cross multiply
    580,673.30x = 871,120.11 × 201,579.26
  4. Step 4: Simplify right side
    580,673.30x = 175,599,747,144.92
  5. Step 5: Solve for x
    x = 175,599,747,144.92/580,673.30
  6. Step 6: Final answer
    x = 302,407.13

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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.