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Finding the Fourth Proportional to 496,338.47, 744,437.40 and 159,334.74

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Solution

The fourth proportional to 496,338.47, 744,437.40 and 159,334.74 is: 238,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,338.47 : 744,437.40 = 159,334.74 : x
  2. Step 2: Convert to fraction form
    496,338.47/744,437.40 = 159,334.74/x
  3. Step 3: Cross multiply
    496,338.47x = 744,437.40 × 159,334.74
  4. Step 4: Simplify right side
    496,338.47x = 118,614,739,575.28
  5. Step 5: Solve for x
    x = 118,614,739,575.28/496,338.47
  6. Step 6: Final answer
    x = 238,979.54

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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.