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Finding the Fourth Proportional to 329,852.79, 455,197.73 and 178,949.79

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Solution

The fourth proportional to 329,852.79, 455,197.73 and 178,949.79 is: 246,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,852.79 : 455,197.73 = 178,949.79 : x
  2. Step 2: Convert to fraction form
    329,852.79/455,197.73 = 178,949.79/x
  3. Step 3: Cross multiply
    329,852.79x = 455,197.73 × 178,949.79
  4. Step 4: Simplify right side
    329,852.79x = 81,457,538,639.35
  5. Step 5: Solve for x
    x = 81,457,538,639.35/329,852.79
  6. Step 6: Final answer
    x = 246,951.19

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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.