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Finding the Fourth Proportional to 328,599.90, 453,467.88 and 177,696.90

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Solution

The fourth proportional to 328,599.90, 453,467.88 and 177,696.90 is: 245,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,599.90 : 453,467.88 = 177,696.90 : x
  2. Step 2: Convert to fraction form
    328,599.90/453,467.88 = 177,696.90/x
  3. Step 3: Cross multiply
    328,599.90x = 453,467.88 × 177,696.90
  4. Step 4: Simplify right side
    328,599.90x = 80,579,836,525.57
  5. Step 5: Solve for x
    x = 80,579,836,525.57/328,599.90
  6. Step 6: Final answer
    x = 245,221.73

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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.