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Finding the Fourth Proportional to 606,405.10, 850,211.30 and 606,405.10

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Solution

The fourth proportional to 606,405.10, 850,211.30 and 606,405.10 is: 850,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,405.10 : 850,211.30 = 606,405.10 : x
  2. Step 2: Convert to fraction form
    606,405.10/850,211.30 = 606,405.10/x
  3. Step 3: Cross multiply
    606,405.10x = 850,211.30 × 606,405.10
  4. Step 4: Simplify right side
    606,405.10x = 515,572,468,397.63
  5. Step 5: Solve for x
    x = 515,572,468,397.63/606,405.10
  6. Step 6: Final answer
    x = 850,211.30

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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.