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Finding the Fourth Proportional to 504,211.50, 695,826.45 and 277,871.58

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Solution

The fourth proportional to 504,211.50, 695,826.45 and 277,871.58 is: 383,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,211.50 : 695,826.45 = 277,871.58 : x
  2. Step 2: Convert to fraction form
    504,211.50/695,826.45 = 277,871.58/x
  3. Step 3: Cross multiply
    504,211.50x = 695,826.45 × 277,871.58
  4. Step 4: Simplify right side
    504,211.50x = 193,350,395,067.29
  5. Step 5: Solve for x
    x = 193,350,395,067.29/504,211.50
  6. Step 6: Final answer
    x = 383,470.82

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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.