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Finding the Fourth Proportional to 571,467.78, 857,117.43 and 150,773.22

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Solution

The fourth proportional to 571,467.78, 857,117.43 and 150,773.22 is: 226,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,467.78 : 857,117.43 = 150,773.22 : x
  2. Step 2: Convert to fraction form
    571,467.78/857,117.43 = 150,773.22/x
  3. Step 3: Cross multiply
    571,467.78x = 857,117.43 × 150,773.22
  4. Step 4: Simplify right side
    571,467.78x = 129,230,354,839.23
  5. Step 5: Solve for x
    x = 129,230,354,839.23/571,467.78
  6. Step 6: Final answer
    x = 226,137.60

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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.