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Finding the Fourth Proportional to 329,331.48, 454,477.95 and 178,428.48

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Solution

The fourth proportional to 329,331.48, 454,477.95 and 178,428.48 is: 246,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,331.48 : 454,477.95 = 178,428.48 : x
  2. Step 2: Convert to fraction form
    329,331.48/454,477.95 = 178,428.48/x
  3. Step 3: Cross multiply
    329,331.48x = 454,477.95 × 178,428.48
  4. Step 4: Simplify right side
    329,331.48x = 81,091,809,812.02
  5. Step 5: Solve for x
    x = 81,091,809,812.02/329,331.48
  6. Step 6: Final answer
    x = 246,231.58

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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.