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Finding the Fourth Proportional to 496,117.58, 744,245.82 and 159,079.01

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Solution

The fourth proportional to 496,117.58, 744,245.82 and 159,079.01 is: 238,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,117.58 : 744,245.82 = 159,079.01 : x
  2. Step 2: Convert to fraction form
    496,117.58/744,245.82 = 159,079.01/x
  3. Step 3: Cross multiply
    496,117.58x = 744,245.82 × 159,079.01
  4. Step 4: Simplify right side
    496,117.58x = 118,393,884,521.01
  5. Step 5: Solve for x
    x = 118,393,884,521.01/496,117.58
  6. Step 6: Final answer
    x = 238,640.78

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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.