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Finding the Fourth Proportional to 499,773.52, 749,659.36 and 162,813.77

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Solution

The fourth proportional to 499,773.52, 749,659.36 and 162,813.77 is: 244,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,773.52 : 749,659.36 = 162,813.77 : x
  2. Step 2: Convert to fraction form
    499,773.52/749,659.36 = 162,813.77/x
  3. Step 3: Cross multiply
    499,773.52x = 749,659.36 × 162,813.77
  4. Step 4: Simplify right side
    499,773.52x = 122,054,868,491.54
  5. Step 5: Solve for x
    x = 122,054,868,491.54/499,773.52
  6. Step 6: Final answer
    x = 244,220.36

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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.