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Finding the Fourth Proportional to 452,768.41, 679,250.63 and 137,249.11

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Solution

The fourth proportional to 452,768.41, 679,250.63 and 137,249.11 is: 205,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,768.41 : 679,250.63 = 137,249.11 : x
  2. Step 2: Convert to fraction form
    452,768.41/679,250.63 = 137,249.11/x
  3. Step 3: Cross multiply
    452,768.41x = 679,250.63 × 137,249.11
  4. Step 4: Simplify right side
    452,768.41x = 93,226,542,050.07
  5. Step 5: Solve for x
    x = 93,226,542,050.07/452,768.41
  6. Step 6: Final answer
    x = 205,903.37

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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.