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Finding the Fourth Proportional to 303,944.55, 419,495.58 and 176,693.91

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Solution

The fourth proportional to 303,944.55, 419,495.58 and 176,693.91 is: 243,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,944.55 : 419,495.58 = 176,693.91 : x
  2. Step 2: Convert to fraction form
    303,944.55/419,495.58 = 176,693.91/x
  3. Step 3: Cross multiply
    303,944.55x = 419,495.58 × 176,693.91
  4. Step 4: Simplify right side
    303,944.55x = 74,122,314,257.92
  5. Step 5: Solve for x
    x = 74,122,314,257.92/303,944.55
  6. Step 6: Final answer
    x = 243,867.88

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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.