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Finding the Fourth Proportional to 373,454.61, 559,894.77 and 193,346.97

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Solution

The fourth proportional to 373,454.61, 559,894.77 and 193,346.97 is: 289,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,454.61 : 559,894.77 = 193,346.97 : x
  2. Step 2: Convert to fraction form
    373,454.61/559,894.77 = 193,346.97/x
  3. Step 3: Cross multiply
    373,454.61x = 559,894.77 × 193,346.97
  4. Step 4: Simplify right side
    373,454.61x = 108,253,957,298.35
  5. Step 5: Solve for x
    x = 108,253,957,298.35/373,454.61
  6. Step 6: Final answer
    x = 289,871.79

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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.