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Finding the Fourth Proportional to 298,084.96, 447,019.28 and 163,249.22

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Solution

The fourth proportional to 298,084.96, 447,019.28 and 163,249.22 is: 244,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,084.96 : 447,019.28 = 163,249.22 : x
  2. Step 2: Convert to fraction form
    298,084.96/447,019.28 = 163,249.22/x
  3. Step 3: Cross multiply
    298,084.96x = 447,019.28 × 163,249.22
  4. Step 4: Simplify right side
    298,084.96x = 72,975,550,157.59
  5. Step 5: Solve for x
    x = 72,975,550,157.59/298,084.96
  6. Step 6: Final answer
    x = 244,814.60

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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.