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Finding the Fourth Proportional to 219,200.55, 328,800.83 and 219,200.55

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Solution

The fourth proportional to 219,200.55, 328,800.83 and 219,200.55 is: 328,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,200.55 : 328,800.83 = 219,200.55 : x
  2. Step 2: Convert to fraction form
    219,200.55/328,800.83 = 219,200.55/x
  3. Step 3: Cross multiply
    219,200.55x = 328,800.83 × 219,200.55
  4. Step 4: Simplify right side
    219,200.55x = 72,073,321,680.45
  5. Step 5: Solve for x
    x = 72,073,321,680.45/219,200.55
  6. Step 6: Final answer
    x = 328,800.83

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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.