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Finding the Fourth Proportional to 572,010.62, 857,993.45 and 172,640.52

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Solution

The fourth proportional to 572,010.62, 857,993.45 and 172,640.52 is: 258,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,010.62 : 857,993.45 = 172,640.52 : x
  2. Step 2: Convert to fraction form
    572,010.62/857,993.45 = 172,640.52/x
  3. Step 3: Cross multiply
    572,010.62x = 857,993.45 × 172,640.52
  4. Step 4: Simplify right side
    572,010.62x = 148,124,434,501.39
  5. Step 5: Solve for x
    x = 148,124,434,501.39/572,010.62
  6. Step 6: Final answer
    x = 258,954.00

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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.