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Finding the Fourth Proportional to 582,709.50, 874,064.52 and 161,989.02

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Solution

The fourth proportional to 582,709.50, 874,064.52 and 161,989.02 is: 242,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,709.50 : 874,064.52 = 161,989.02 : x
  2. Step 2: Convert to fraction form
    582,709.50/874,064.52 = 161,989.02/x
  3. Step 3: Cross multiply
    582,709.50x = 874,064.52 × 161,989.02
  4. Step 4: Simplify right side
    582,709.50x = 141,588,855,011.57
  5. Step 5: Solve for x
    x = 141,588,855,011.57/582,709.50
  6. Step 6: Final answer
    x = 242,983.61

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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.