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Finding the Fourth Proportional to 298,936.65, 447,425.67 and 163,794.63

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Solution

The fourth proportional to 298,936.65, 447,425.67 and 163,794.63 is: 245,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936.65 : 447,425.67 = 163,794.63 : x
  2. Step 2: Convert to fraction form
    298,936.65/447,425.67 = 163,794.63/x
  3. Step 3: Cross multiply
    298,936.65x = 447,425.67 × 163,794.63
  4. Step 4: Simplify right side
    298,936.65x = 73,285,922,070.15
  5. Step 5: Solve for x
    x = 73,285,922,070.15/298,936.65
  6. Step 6: Final answer
    x = 245,155.36

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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.