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Finding the Fourth Proportional to 329,418.22, 454,597.62 and 178,515.22

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Solution

The fourth proportional to 329,418.22, 454,597.62 and 178,515.22 is: 246,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,418.22 : 454,597.62 = 178,515.22 : x
  2. Step 2: Convert to fraction form
    329,418.22/454,597.62 = 178,515.22/x
  3. Step 3: Cross multiply
    329,418.22x = 454,597.62 × 178,515.22
  4. Step 4: Simplify right side
    329,418.22x = 81,152,594,145.78
  5. Step 5: Solve for x
    x = 81,152,594,145.78/329,418.22
  6. Step 6: Final answer
    x = 246,351.26

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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.