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Finding the Fourth Proportional to 360,107.12, 496,967.75 and 198,958.70

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Solution

The fourth proportional to 360,107.12, 496,967.75 and 198,958.70 is: 274,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,107.12 : 496,967.75 = 198,958.70 : x
  2. Step 2: Convert to fraction form
    360,107.12/496,967.75 = 198,958.70/x
  3. Step 3: Cross multiply
    360,107.12x = 496,967.75 × 198,958.70
  4. Step 4: Simplify right side
    360,107.12x = 98,876,054,002.29
  5. Step 5: Solve for x
    x = 98,876,054,002.29/360,107.12
  6. Step 6: Final answer
    x = 274,574.01

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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.