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Finding the Fourth Proportional to 606,610, 837,121.80 and 338,338

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Solution

The fourth proportional to 606,610, 837,121.80 and 338,338 is: 466,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,610 : 837,121.80 = 338,338 : x
  2. Step 2: Convert to fraction form
    606,610/837,121.80 = 338,338/x
  3. Step 3: Cross multiply
    606,610x = 837,121.80 × 338,338
  4. Step 4: Simplify right side
    606,610x = 283,230,115,568.40
  5. Step 5: Solve for x
    x = 283,230,115,568.40/606,610
  6. Step 6: Final answer
    x = 466,906.44

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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.