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Finding the Fourth Proportional to 606,400.60, 850,205 and 606,400.60

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Solution

The fourth proportional to 606,400.60, 850,205 and 606,400.60 is: 850,205

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,400.60 : 850,205 = 606,400.60 : x
  2. Step 2: Convert to fraction form
    606,400.60/850,205 = 606,400.60/x
  3. Step 3: Cross multiply
    606,400.60x = 850,205 × 606,400.60
  4. Step 4: Simplify right side
    606,400.60x = 515,564,822,123
  5. Step 5: Solve for x
    x = 515,564,822,123/606,400.60
  6. Step 6: Final answer
    x = 850,205

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1.5x scale

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.