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Finding the Fourth Proportional to 504,676.74, 696,454.56 and 275,234.52

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Solution

The fourth proportional to 504,676.74, 696,454.56 and 275,234.52 is: 379,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,676.74 : 696,454.56 = 275,234.52 : x
  2. Step 2: Convert to fraction form
    504,676.74/696,454.56 = 275,234.52/x
  3. Step 3: Cross multiply
    504,676.74x = 696,454.56 × 275,234.52
  4. Step 4: Simplify right side
    504,676.74x = 191,688,336,523.41
  5. Step 5: Solve for x
    x = 191,688,336,523.41/504,676.74
  6. Step 6: Final answer
    x = 379,824.00

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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.