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Finding the Fourth Proportional to 672,212.50, 927,672.69 and 370,425.94

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Solution

The fourth proportional to 672,212.50, 927,672.69 and 370,425.94 is: 511,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,212.50 : 927,672.69 = 370,425.94 : x
  2. Step 2: Convert to fraction form
    672,212.50/927,672.69 = 370,425.94/x
  3. Step 3: Cross multiply
    672,212.50x = 927,672.69 × 370,425.94
  4. Step 4: Simplify right side
    672,212.50x = 343,634,028,205.58
  5. Step 5: Solve for x
    x = 343,634,028,205.58/672,212.50
  6. Step 6: Final answer
    x = 511,198.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.