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Finding the Fourth Proportional to 329,467.32, 454,664.88 and 178,564.32

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Solution

The fourth proportional to 329,467.32, 454,664.88 and 178,564.32 is: 246,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,467.32 : 454,664.88 = 178,564.32 : x
  2. Step 2: Convert to fraction form
    329,467.32/454,664.88 = 178,564.32/x
  3. Step 3: Cross multiply
    329,467.32x = 454,664.88 × 178,564.32
  4. Step 4: Simplify right side
    329,467.32x = 81,186,925,125.08
  5. Step 5: Solve for x
    x = 81,186,925,125.08/329,467.32
  6. Step 6: Final answer
    x = 246,418.75

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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.