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Finding the Fourth Proportional to 499,774.52, 749,660.86 and 162,814.77

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Solution

The fourth proportional to 499,774.52, 749,660.86 and 162,814.77 is: 244,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,774.52 : 749,660.86 = 162,814.77 : x
  2. Step 2: Convert to fraction form
    499,774.52/749,660.86 = 162,814.77/x
  3. Step 3: Cross multiply
    499,774.52x = 749,660.86 × 162,814.77
  4. Step 4: Simplify right side
    499,774.52x = 122,055,860,498.90
  5. Step 5: Solve for x
    x = 122,055,860,498.90/499,774.52
  6. Step 6: Final answer
    x = 244,221.86

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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.