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Finding the Fourth Proportional to 571,949.44, 857,930.56 and 172,594

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Solution

The fourth proportional to 571,949.44, 857,930.56 and 172,594 is: 258,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,949.44 : 857,930.56 = 172,594 : x
  2. Step 2: Convert to fraction form
    571,949.44/857,930.56 = 172,594/x
  3. Step 3: Cross multiply
    571,949.44x = 857,930.56 × 172,594
  4. Step 4: Simplify right side
    571,949.44x = 148,073,667,072.64
  5. Step 5: Solve for x
    x = 148,073,667,072.64/571,949.44
  6. Step 6: Final answer
    x = 258,892.93

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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.