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Finding the Fourth Proportional to 606,406.10, 850,212.70 and 606,406.10

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Solution

The fourth proportional to 606,406.10, 850,212.70 and 606,406.10 is: 850,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,406.10 : 850,212.70 = 606,406.10 : x
  2. Step 2: Convert to fraction form
    606,406.10/850,212.70 = 606,406.10/x
  3. Step 3: Cross multiply
    606,406.10x = 850,212.70 × 606,406.10
  4. Step 4: Simplify right side
    606,406.10x = 515,574,167,577.47
  5. Step 5: Solve for x
    x = 515,574,167,577.47/606,406.10
  6. Step 6: Final answer
    x = 850,212.70

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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.