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Finding the Fourth Proportional to 298,594.72, 447,918 and 109,107.04

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Solution

The fourth proportional to 298,594.72, 447,918 and 109,107.04 is: 163,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,594.72 : 447,918 = 109,107.04 : x
  2. Step 2: Convert to fraction form
    298,594.72/447,918 = 109,107.04/x
  3. Step 3: Cross multiply
    298,594.72x = 447,918 × 109,107.04
  4. Step 4: Simplify right side
    298,594.72x = 48,871,007,142.72
  5. Step 5: Solve for x
    x = 48,871,007,142.72/298,594.72
  6. Step 6: Final answer
    x = 163,670.03

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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.