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Finding the Fourth Proportional to 298,171.49, 447,259.68 and 108,767.57

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Solution

The fourth proportional to 298,171.49, 447,259.68 and 108,767.57 is: 163,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,171.49 : 447,259.68 = 108,767.57 : x
  2. Step 2: Convert to fraction form
    298,171.49/447,259.68 = 108,767.57/x
  3. Step 3: Cross multiply
    298,171.49x = 447,259.68 × 108,767.57
  4. Step 4: Simplify right side
    298,171.49x = 48,647,346,316.28
  5. Step 5: Solve for x
    x = 48,647,346,316.28/298,171.49
  6. Step 6: Final answer
    x = 163,152.24

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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.