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Finding the Fourth Proportional to 496,721.16, 744,853.32 and 159,699.60

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Solution

The fourth proportional to 496,721.16, 744,853.32 and 159,699.60 is: 239,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,721.16 : 744,853.32 = 159,699.60 : x
  2. Step 2: Convert to fraction form
    496,721.16/744,853.32 = 159,699.60/x
  3. Step 3: Cross multiply
    496,721.16x = 744,853.32 × 159,699.60
  4. Step 4: Simplify right side
    496,721.16x = 118,952,777,262.67
  5. Step 5: Solve for x
    x = 118,952,777,262.67/496,721.16
  6. Step 6: Final answer
    x = 239,475.96

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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.