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Finding the Fourth Proportional to 487,383.93, 731,145.94 and 150,453.43

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Solution

The fourth proportional to 487,383.93, 731,145.94 and 150,453.43 is: 225,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,383.93 : 731,145.94 = 150,453.43 : x
  2. Step 2: Convert to fraction form
    487,383.93/731,145.94 = 150,453.43/x
  3. Step 3: Cross multiply
    487,383.93x = 731,145.94 × 150,453.43
  4. Step 4: Simplify right side
    487,383.93x = 110,003,412,299.58
  5. Step 5: Solve for x
    x = 110,003,412,299.58/487,383.93
  6. Step 6: Final answer
    x = 225,701.76

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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.