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Finding the Fourth Proportional to 579,200.80, 868,768.80 and 179,838.40

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Solution

The fourth proportional to 579,200.80, 868,768.80 and 179,838.40 is: 269,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,200.80 : 868,768.80 = 179,838.40 : x
  2. Step 2: Convert to fraction form
    579,200.80/868,768.80 = 179,838.40/x
  3. Step 3: Cross multiply
    579,200.80x = 868,768.80 × 179,838.40
  4. Step 4: Simplify right side
    579,200.80x = 156,237,990,961.92
  5. Step 5: Solve for x
    x = 156,237,990,961.92/579,200.80
  6. Step 6: Final answer
    x = 269,747.54

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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.