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Finding the Fourth Proportional to 607,186, 837,917.16 and 338,914

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Solution

The fourth proportional to 607,186, 837,917.16 and 338,914 is: 467,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,186 : 837,917.16 = 338,914 : x
  2. Step 2: Convert to fraction form
    607,186/837,917.16 = 338,914/x
  3. Step 3: Cross multiply
    607,186x = 837,917.16 × 338,914
  4. Step 4: Simplify right side
    607,186x = 283,981,856,364.24
  5. Step 5: Solve for x
    x = 283,981,856,364.24/607,186
  6. Step 6: Final answer
    x = 467,701.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.