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Finding the Fourth Proportional to 360,079.86, 496,920.24 and 198,945.30

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Solution

The fourth proportional to 360,079.86, 496,920.24 and 198,945.30 is: 274,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,079.86 : 496,920.24 = 198,945.30 : x
  2. Step 2: Convert to fraction form
    360,079.86/496,920.24 = 198,945.30/x
  3. Step 3: Cross multiply
    360,079.86x = 496,920.24 × 198,945.30
  4. Step 4: Simplify right side
    360,079.86x = 98,859,946,222.87
  5. Step 5: Solve for x
    x = 98,859,946,222.87/360,079.86
  6. Step 6: Final answer
    x = 274,550.06

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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.