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Finding the Fourth Proportional to 328,195.40, 452,915.46 and 192,327.08

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Solution

The fourth proportional to 328,195.40, 452,915.46 and 192,327.08 is: 265,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,195.40 : 452,915.46 = 192,327.08 : x
  2. Step 2: Convert to fraction form
    328,195.40/452,915.46 = 192,327.08/x
  3. Step 3: Cross multiply
    328,195.40x = 452,915.46 × 192,327.08
  4. Step 4: Simplify right side
    328,195.40x = 87,107,907,908.66
  5. Step 5: Solve for x
    x = 87,107,907,908.66/328,195.40
  6. Step 6: Final answer
    x = 265,414.77

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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.