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Finding the Fourth Proportional to 329,631.93, 454,892.63 and 178,728.93

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Solution

The fourth proportional to 329,631.93, 454,892.63 and 178,728.93 is: 246,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,631.93 : 454,892.63 = 178,728.93 : x
  2. Step 2: Convert to fraction form
    329,631.93/454,892.63 = 178,728.93/x
  3. Step 3: Cross multiply
    329,631.93x = 454,892.63 × 178,728.93
  4. Step 4: Simplify right side
    329,631.93x = 81,302,472,131.14
  5. Step 5: Solve for x
    x = 81,302,472,131.14/329,631.93
  6. Step 6: Final answer
    x = 246,646.23

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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.