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Finding the Fourth Proportional to 504,285.28, 695,912.28 and 277,930.72

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Solution

The fourth proportional to 504,285.28, 695,912.28 and 277,930.72 is: 383,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,285.28 : 695,912.28 = 277,930.72 : x
  2. Step 2: Convert to fraction form
    504,285.28/695,912.28 = 277,930.72/x
  3. Step 3: Cross multiply
    504,285.28x = 695,912.28 × 277,930.72
  4. Step 4: Simplify right side
    504,285.28x = 193,415,401,037.24
  5. Step 5: Solve for x
    x = 193,415,401,037.24/504,285.28
  6. Step 6: Final answer
    x = 383,543.62

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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.