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Finding the Fourth Proportional to 219,710.40, 329,565.60 and 192,062.40

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Solution

The fourth proportional to 219,710.40, 329,565.60 and 192,062.40 is: 288,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,710.40 : 329,565.60 = 192,062.40 : x
  2. Step 2: Convert to fraction form
    219,710.40/329,565.60 = 192,062.40/x
  3. Step 3: Cross multiply
    219,710.40x = 329,565.60 × 192,062.40
  4. Step 4: Simplify right side
    219,710.40x = 63,297,160,093.44
  5. Step 5: Solve for x
    x = 63,297,160,093.44/219,710.40
  6. Step 6: Final answer
    x = 288,093.60

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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.