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Finding the Fourth Proportional to 582,015.75, 871,333.23 and 356,694.60

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Solution

The fourth proportional to 582,015.75, 871,333.23 and 356,694.60 is: 534,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,015.75 : 871,333.23 = 356,694.60 : x
  2. Step 2: Convert to fraction form
    582,015.75/871,333.23 = 356,694.60/x
  3. Step 3: Cross multiply
    582,015.75x = 871,333.23 × 356,694.60
  4. Step 4: Simplify right side
    582,015.75x = 310,799,857,941.56
  5. Step 5: Solve for x
    x = 310,799,857,941.56/582,015.75
  6. Step 6: Final answer
    x = 534,005.92

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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.