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Finding the Fourth Proportional to 607,914.38, 911,732.15 and 228,874.47

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Solution

The fourth proportional to 607,914.38, 911,732.15 and 228,874.47 is: 343,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,914.38 : 911,732.15 = 228,874.47 : x
  2. Step 2: Convert to fraction form
    607,914.38/911,732.15 = 228,874.47/x
  3. Step 3: Cross multiply
    607,914.38x = 911,732.15 × 228,874.47
  4. Step 4: Simplify right side
    607,914.38x = 208,672,211,468.84
  5. Step 5: Solve for x
    x = 208,672,211,468.84/607,914.38
  6. Step 6: Final answer
    x = 343,259.22

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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.