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Finding the Fourth Proportional to 496,311.48, 744,405.66 and 159,325.56

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Solution

The fourth proportional to 496,311.48, 744,405.66 and 159,325.56 is: 238,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,311.48 : 744,405.66 = 159,325.56 : x
  2. Step 2: Convert to fraction form
    496,311.48/744,405.66 = 159,325.56/x
  3. Step 3: Cross multiply
    496,311.48x = 744,405.66 × 159,325.56
  4. Step 4: Simplify right side
    496,311.48x = 118,602,848,646.67
  5. Step 5: Solve for x
    x = 118,602,848,646.67/496,311.48
  6. Step 6: Final answer
    x = 238,968.58

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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.