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Finding the Fourth Proportional to 360,086.58, 496,894.50 and 198,940.32

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Solution

The fourth proportional to 360,086.58, 496,894.50 and 198,940.32 is: 274,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,086.58 : 496,894.50 = 198,940.32 : x
  2. Step 2: Convert to fraction form
    360,086.58/496,894.50 = 198,940.32/x
  3. Step 3: Cross multiply
    360,086.58x = 496,894.50 × 198,940.32
  4. Step 4: Simplify right side
    360,086.58x = 98,852,350,836.24
  5. Step 5: Solve for x
    x = 98,852,350,836.24/360,086.58
  6. Step 6: Final answer
    x = 274,523.84

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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.