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Finding the Fourth Proportional to 502,956.12, 694,093.98 and 276,616.20

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Solution

The fourth proportional to 502,956.12, 694,093.98 and 276,616.20 is: 381,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,956.12 : 694,093.98 = 276,616.20 : x
  2. Step 2: Convert to fraction form
    502,956.12/694,093.98 = 276,616.20/x
  3. Step 3: Cross multiply
    502,956.12x = 694,093.98 × 276,616.20
  4. Step 4: Simplify right side
    502,956.12x = 191,997,639,190.48
  5. Step 5: Solve for x
    x = 191,997,639,190.48/502,956.12
  6. Step 6: Final answer
    x = 381,738.35

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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.