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Finding the Fourth Proportional to 502,558.20, 693,522.54 and 276,198.84

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Solution

The fourth proportional to 502,558.20, 693,522.54 and 276,198.84 is: 381,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,558.20 : 693,522.54 = 276,198.84 : x
  2. Step 2: Convert to fraction form
    502,558.20/693,522.54 = 276,198.84/x
  3. Step 3: Cross multiply
    502,558.20x = 693,522.54 × 276,198.84
  4. Step 4: Simplify right side
    502,558.20x = 191,550,121,061.85
  5. Step 5: Solve for x
    x = 191,550,121,061.85/502,558.20
  6. Step 6: Final answer
    x = 381,150.13

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1.5x scale

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.