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Finding the Fourth Proportional to 580,941.60, 871,930.80 and 502,144.80

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Solution

The fourth proportional to 580,941.60, 871,930.80 and 502,144.80 is: 753,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,941.60 : 871,930.80 = 502,144.80 : x
  2. Step 2: Convert to fraction form
    580,941.60/871,930.80 = 502,144.80/x
  3. Step 3: Cross multiply
    580,941.60x = 871,930.80 × 502,144.80
  4. Step 4: Simplify right side
    580,941.60x = 437,835,517,179.84
  5. Step 5: Solve for x
    x = 437,835,517,179.84/580,941.60
  6. Step 6: Final answer
    x = 753,665.29

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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.