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Finding the Fourth Proportional to 219,274.20, 328,255.20 and 195,654.60

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Solution

The fourth proportional to 219,274.20, 328,255.20 and 195,654.60 is: 292,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,274.20 : 328,255.20 = 195,654.60 : x
  2. Step 2: Convert to fraction form
    219,274.20/328,255.20 = 195,654.60/x
  3. Step 3: Cross multiply
    219,274.20x = 328,255.20 × 195,654.60
  4. Step 4: Simplify right side
    219,274.20x = 64,224,639,853.92
  5. Step 5: Solve for x
    x = 64,224,639,853.92/219,274.20
  6. Step 6: Final answer
    x = 292,896.47

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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.