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Finding the Fourth Proportional to 449,014.73, 620,155.82 and 327,050.52

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Solution

The fourth proportional to 449,014.73, 620,155.82 and 327,050.52 is: 451,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,014.73 : 620,155.82 = 327,050.52 : x
  2. Step 2: Convert to fraction form
    449,014.73/620,155.82 = 327,050.52/x
  3. Step 3: Cross multiply
    449,014.73x = 620,155.82 × 327,050.52
  4. Step 4: Simplify right side
    449,014.73x = 202,822,281,776.77
  5. Step 5: Solve for x
    x = 202,822,281,776.77/449,014.73
  6. Step 6: Final answer
    x = 451,705.19

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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.