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Finding the Fourth Proportional to 360,059.08, 496,910.58 and 198,928.20

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Solution

The fourth proportional to 360,059.08, 496,910.58 and 198,928.20 is: 274,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,059.08 : 496,910.58 = 198,928.20 : x
  2. Step 2: Convert to fraction form
    360,059.08/496,910.58 = 198,928.20/x
  3. Step 3: Cross multiply
    360,059.08x = 496,910.58 × 198,928.20
  4. Step 4: Simplify right side
    360,059.08x = 98,849,527,240.36
  5. Step 5: Solve for x
    x = 98,849,527,240.36/360,059.08
  6. Step 6: Final answer
    x = 274,536.97

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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.