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Finding the Fourth Proportional to 496,512.82, 744,885.87 and 141,531.94

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Solution

The fourth proportional to 496,512.82, 744,885.87 and 141,531.94 is: 212,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,512.82 : 744,885.87 = 141,531.94 : x
  2. Step 2: Convert to fraction form
    496,512.82/744,885.87 = 141,531.94/x
  3. Step 3: Cross multiply
    496,512.82x = 744,885.87 × 141,531.94
  4. Step 4: Simplify right side
    496,512.82x = 105,425,142,259.69
  5. Step 5: Solve for x
    x = 105,425,142,259.69/496,512.82
  6. Step 6: Final answer
    x = 212,331.16

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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.