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Finding the Fourth Proportional to 328,194.54, 453,059.67 and 192,209.58

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Solution

The fourth proportional to 328,194.54, 453,059.67 and 192,209.58 is: 265,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,194.54 : 453,059.67 = 192,209.58 : x
  2. Step 2: Convert to fraction form
    328,194.54/453,059.67 = 192,209.58/x
  3. Step 3: Cross multiply
    328,194.54x = 453,059.67 × 192,209.58
  4. Step 4: Simplify right side
    328,194.54x = 87,082,408,885.64
  5. Step 5: Solve for x
    x = 87,082,408,885.64/328,194.54
  6. Step 6: Final answer
    x = 265,337.77

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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.