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Finding the Fourth Proportional to 606,961.10, 850,989.70 and 606,961.10

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Solution

The fourth proportional to 606,961.10, 850,989.70 and 606,961.10 is: 850,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,961.10 : 850,989.70 = 606,961.10 : x
  2. Step 2: Convert to fraction form
    606,961.10/850,989.70 = 606,961.10/x
  3. Step 3: Cross multiply
    606,961.10x = 850,989.70 × 606,961.10
  4. Step 4: Simplify right side
    606,961.10x = 516,517,644,400.67
  5. Step 5: Solve for x
    x = 516,517,644,400.67/606,961.10
  6. Step 6: Final answer
    x = 850,989.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.