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Finding the Fourth Proportional to 370,288.92, 510,997.94 and 200,522.52

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Solution

The fourth proportional to 370,288.92, 510,997.94 and 200,522.52 is: 276,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,288.92 : 510,997.94 = 200,522.52 : x
  2. Step 2: Convert to fraction form
    370,288.92/510,997.94 = 200,522.52/x
  3. Step 3: Cross multiply
    370,288.92x = 510,997.94 × 200,522.52
  4. Step 4: Simplify right side
    370,288.92x = 102,466,594,643.61
  5. Step 5: Solve for x
    x = 102,466,594,643.61/370,288.92
  6. Step 6: Final answer
    x = 276,720.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.