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Finding the Fourth Proportional to 329,388.63, 454,552.50 and 178,485.63

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Solution

The fourth proportional to 329,388.63, 454,552.50 and 178,485.63 is: 246,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,388.63 : 454,552.50 = 178,485.63 : x
  2. Step 2: Convert to fraction form
    329,388.63/454,552.50 = 178,485.63/x
  3. Step 3: Cross multiply
    329,388.63x = 454,552.50 × 178,485.63
  4. Step 4: Simplify right side
    329,388.63x = 81,131,089,330.58
  5. Step 5: Solve for x
    x = 81,131,089,330.58/329,388.63
  6. Step 6: Final answer
    x = 246,308.11

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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.