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Finding the Fourth Proportional to 571,953.74, 858,002.14 and 172,593.86

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Solution

The fourth proportional to 571,953.74, 858,002.14 and 172,593.86 is: 258,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,953.74 : 858,002.14 = 172,593.86 : x
  2. Step 2: Convert to fraction form
    571,953.74/858,002.14 = 172,593.86/x
  3. Step 3: Cross multiply
    571,953.74x = 858,002.14 × 172,593.86
  4. Step 4: Simplify right side
    571,953.74x = 148,085,901,230.86
  5. Step 5: Solve for x
    x = 148,085,901,230.86/571,953.74
  6. Step 6: Final answer
    x = 258,912.38

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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.