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Finding the Fourth Proportional to 496,742.60, 744,889.73 and 141,672.22

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Solution

The fourth proportional to 496,742.60, 744,889.73 and 141,672.22 is: 212,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,742.60 : 744,889.73 = 141,672.22 : x
  2. Step 2: Convert to fraction form
    496,742.60/744,889.73 = 141,672.22/x
  3. Step 3: Cross multiply
    496,742.60x = 744,889.73 × 141,672.22
  4. Step 4: Simplify right side
    496,742.60x = 105,530,181,704.30
  5. Step 5: Solve for x
    x = 105,530,181,704.30/496,742.60
  6. Step 6: Final answer
    x = 212,444.40

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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.