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Finding the Fourth Proportional to 582,991.72, 873,730.14 and 262,908.52

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Solution

The fourth proportional to 582,991.72, 873,730.14 and 262,908.52 is: 394,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,991.72 : 873,730.14 = 262,908.52 : x
  2. Step 2: Convert to fraction form
    582,991.72/873,730.14 = 262,908.52/x
  3. Step 3: Cross multiply
    582,991.72x = 873,730.14 × 262,908.52
  4. Step 4: Simplify right side
    582,991.72x = 229,711,097,986.79
  5. Step 5: Solve for x
    x = 229,711,097,986.79/582,991.72
  6. Step 6: Final answer
    x = 394,021.20

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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.