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Finding the Fourth Proportional to 250,722.14, 375,886.31 and 171,596.48

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Solution

The fourth proportional to 250,722.14, 375,886.31 and 171,596.48 is: 257,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,722.14 : 375,886.31 = 171,596.48 : x
  2. Step 2: Convert to fraction form
    250,722.14/375,886.31 = 171,596.48/x
  3. Step 3: Cross multiply
    250,722.14x = 375,886.31 × 171,596.48
  4. Step 4: Simplify right side
    250,722.14x = 64,500,764,938.77
  5. Step 5: Solve for x
    x = 64,500,764,938.77/250,722.14
  6. Step 6: Final answer
    x = 257,259.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.