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Finding the Fourth Proportional to 571,310.72, 857,018.02 and 150,586.59

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Solution

The fourth proportional to 571,310.72, 857,018.02 and 150,586.59 is: 225,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,310.72 : 857,018.02 = 150,586.59 : x
  2. Step 2: Convert to fraction form
    571,310.72/857,018.02 = 150,586.59/x
  3. Step 3: Cross multiply
    571,310.72x = 857,018.02 × 150,586.59
  4. Step 4: Simplify right side
    571,310.72x = 129,055,424,320.05
  5. Step 5: Solve for x
    x = 129,055,424,320.05/571,310.72
  6. Step 6: Final answer
    x = 225,893.58

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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.