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Finding the Fourth Proportional to 381,584.50, 526,659.90 and 252,525.58

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Solution

The fourth proportional to 381,584.50, 526,659.90 and 252,525.58 is: 348,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,584.50 : 526,659.90 = 252,525.58 : x
  2. Step 2: Convert to fraction form
    381,584.50/526,659.90 = 252,525.58/x
  3. Step 3: Cross multiply
    381,584.50x = 526,659.90 × 252,525.58
  4. Step 4: Simplify right side
    381,584.50x = 132,995,096,710.24
  5. Step 5: Solve for x
    x = 132,995,096,710.24/381,584.50
  6. Step 6: Final answer
    x = 348,533.80

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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.