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Finding the Fourth Proportional to 234,794.28, 351,520.72 and 219,897.16

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Solution

The fourth proportional to 234,794.28, 351,520.72 and 219,897.16 is: 329,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,794.28 : 351,520.72 = 219,897.16 : x
  2. Step 2: Convert to fraction form
    234,794.28/351,520.72 = 219,897.16/x
  3. Step 3: Cross multiply
    234,794.28x = 351,520.72 × 219,897.16
  4. Step 4: Simplify right side
    234,794.28x = 77,298,408,009.16
  5. Step 5: Solve for x
    x = 77,298,408,009.16/234,794.28
  6. Step 6: Final answer
    x = 329,217.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.