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Finding the Fourth Proportional to 361,364.13, 498,665.70 and 198,019.67

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Solution

The fourth proportional to 361,364.13, 498,665.70 and 198,019.67 is: 273,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,364.13 : 498,665.70 = 198,019.67 : x
  2. Step 2: Convert to fraction form
    361,364.13/498,665.70 = 198,019.67/x
  3. Step 3: Cross multiply
    361,364.13x = 498,665.70 × 198,019.67
  4. Step 4: Simplify right side
    361,364.13x = 98,745,617,354.32
  5. Step 5: Solve for x
    x = 98,745,617,354.32/361,364.13
  6. Step 6: Final answer
    x = 273,257.94

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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.