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Finding the Fourth Proportional to 332,980.56, 459,518.18 and 189,737.53

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Solution

The fourth proportional to 332,980.56, 459,518.18 and 189,737.53 is: 261,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,980.56 : 459,518.18 = 189,737.53 : x
  2. Step 2: Convert to fraction form
    332,980.56/459,518.18 = 189,737.53/x
  3. Step 3: Cross multiply
    332,980.56x = 459,518.18 × 189,737.53
  4. Step 4: Simplify right side
    332,980.56x = 87,187,844,463.30
  5. Step 5: Solve for x
    x = 87,187,844,463.30/332,980.56
  6. Step 6: Final answer
    x = 261,840.64

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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.