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Finding the Fourth Proportional to 329,027.60, 454,059.30 and 178,124.60

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Solution

The fourth proportional to 329,027.60, 454,059.30 and 178,124.60 is: 245,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,027.60 : 454,059.30 = 178,124.60 : x
  2. Step 2: Convert to fraction form
    329,027.60/454,059.30 = 178,124.60/x
  3. Step 3: Cross multiply
    329,027.60x = 454,059.30 × 178,124.60
  4. Step 4: Simplify right side
    329,027.60x = 80,879,131,188.78
  5. Step 5: Solve for x
    x = 80,879,131,188.78/329,027.60
  6. Step 6: Final answer
    x = 245,812.60

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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.