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Finding the Fourth Proportional to 329,573.53, 454,815.05 and 193,613.21

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Solution

The fourth proportional to 329,573.53, 454,815.05 and 193,613.21 is: 267,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,573.53 : 454,815.05 = 193,613.21 : x
  2. Step 2: Convert to fraction form
    329,573.53/454,815.05 = 193,613.21/x
  3. Step 3: Cross multiply
    329,573.53x = 454,815.05 × 193,613.21
  4. Step 4: Simplify right side
    329,573.53x = 88,058,201,786.81
  5. Step 5: Solve for x
    x = 88,058,201,786.81/329,573.53
  6. Step 6: Final answer
    x = 267,188.33

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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.