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Finding the Fourth Proportional to 250,253.60, 375,404.24 and 70,338.56

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Solution

The fourth proportional to 250,253.60, 375,404.24 and 70,338.56 is: 105,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,253.60 : 375,404.24 = 70,338.56 : x
  2. Step 2: Convert to fraction form
    250,253.60/375,404.24 = 70,338.56/x
  3. Step 3: Cross multiply
    250,253.60x = 375,404.24 × 70,338.56
  4. Step 4: Simplify right side
    250,253.60x = 26,405,393,659.49
  5. Step 5: Solve for x
    x = 26,405,393,659.49/250,253.60
  6. Step 6: Final answer
    x = 105,514.54

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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.