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Finding the Fourth Proportional to 367,848.30, 551,480.85 and 201,636.30

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Solution

The fourth proportional to 367,848.30, 551,480.85 and 201,636.30 is: 302,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,848.30 : 551,480.85 = 201,636.30 : x
  2. Step 2: Convert to fraction form
    367,848.30/551,480.85 = 201,636.30/x
  3. Step 3: Cross multiply
    367,848.30x = 551,480.85 × 201,636.30
  4. Step 4: Simplify right side
    367,848.30x = 111,198,558,114.86
  5. Step 5: Solve for x
    x = 111,198,558,114.86/367,848.30
  6. Step 6: Final answer
    x = 302,294.61

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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.