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Finding the Fourth Proportional to 672,211.50, 927,671.31 and 370,424.94

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Solution

The fourth proportional to 672,211.50, 927,671.31 and 370,424.94 is: 511,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,211.50 : 927,671.31 = 370,424.94 : x
  2. Step 2: Convert to fraction form
    672,211.50/927,671.31 = 370,424.94/x
  3. Step 3: Cross multiply
    672,211.50x = 927,671.31 × 370,424.94
  4. Step 4: Simplify right side
    672,211.50x = 343,632,589,346.47
  5. Step 5: Solve for x
    x = 343,632,589,346.47/672,211.50
  6. Step 6: Final answer
    x = 511,197.13

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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.