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Finding the Fourth Proportional to 496,252.79, 744,383.78 and 141,266.79

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Solution

The fourth proportional to 496,252.79, 744,383.78 and 141,266.79 is: 211,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,252.79 : 744,383.78 = 141,266.79 : x
  2. Step 2: Convert to fraction form
    496,252.79/744,383.78 = 141,266.79/x
  3. Step 3: Cross multiply
    496,252.79x = 744,383.78 × 141,266.79
  4. Step 4: Simplify right side
    496,252.79x = 105,156,706,422.33
  5. Step 5: Solve for x
    x = 105,156,706,422.33/496,252.79
  6. Step 6: Final answer
    x = 211,901.49

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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.