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Finding the Fourth Proportional to 329,361.34, 454,518.98 and 178,458.34

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Solution

The fourth proportional to 329,361.34, 454,518.98 and 178,458.34 is: 246,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,361.34 : 454,518.98 = 178,458.34 : x
  2. Step 2: Convert to fraction form
    329,361.34/454,518.98 = 178,458.34/x
  3. Step 3: Cross multiply
    329,361.34x = 454,518.98 × 178,458.34
  4. Step 4: Simplify right side
    329,361.34x = 81,112,702,669.29
  5. Step 5: Solve for x
    x = 81,112,702,669.29/329,361.34
  6. Step 6: Final answer
    x = 246,272.69

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1.5x scale

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.