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Finding the Fourth Proportional to 303,773.76, 419,211.30 and 167,804.90

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Solution

The fourth proportional to 303,773.76, 419,211.30 and 167,804.90 is: 231,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,773.76 : 419,211.30 = 167,804.90 : x
  2. Step 2: Convert to fraction form
    303,773.76/419,211.30 = 167,804.90/x
  3. Step 3: Cross multiply
    303,773.76x = 419,211.30 × 167,804.90
  4. Step 4: Simplify right side
    303,773.76x = 70,345,710,275.37
  5. Step 5: Solve for x
    x = 70,345,710,275.37/303,773.76
  6. Step 6: Final answer
    x = 231,572.70

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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.