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Finding the Fourth Proportional to 503,031.06, 694,168.38 and 276,676.56

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Solution

The fourth proportional to 503,031.06, 694,168.38 and 276,676.56 is: 381,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,031.06 : 694,168.38 = 276,676.56 : x
  2. Step 2: Convert to fraction form
    503,031.06/694,168.38 = 276,676.56/x
  3. Step 3: Cross multiply
    503,031.06x = 694,168.38 × 276,676.56
  4. Step 4: Simplify right side
    503,031.06x = 192,060,119,439.17
  5. Step 5: Solve for x
    x = 192,060,119,439.17/503,031.06
  6. Step 6: Final answer
    x = 381,805.69

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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.