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Finding the Fourth Proportional to 499,843.64, 749,764.86 and 162,883.76

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Solution

The fourth proportional to 499,843.64, 749,764.86 and 162,883.76 is: 244,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,843.64 : 749,764.86 = 162,883.76 : x
  2. Step 2: Convert to fraction form
    499,843.64/749,764.86 = 162,883.76/x
  3. Step 3: Cross multiply
    499,843.64x = 749,764.86 × 162,883.76
  4. Step 4: Simplify right side
    499,843.64x = 122,124,519,512.67
  5. Step 5: Solve for x
    x = 122,124,519,512.67/499,843.64
  6. Step 6: Final answer
    x = 244,325.44

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Similar ratio
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1.5x scale

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.