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Finding the Fourth Proportional to 671,622.60, 1,007,166.60 and 222,218.40

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Solution

The fourth proportional to 671,622.60, 1,007,166.60 and 222,218.40 is: 333,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,622.60 : 1,007,166.60 = 222,218.40 : x
  2. Step 2: Convert to fraction form
    671,622.60/1,007,166.60 = 222,218.40/x
  3. Step 3: Cross multiply
    671,622.60x = 1,007,166.60 × 222,218.40
  4. Step 4: Simplify right side
    671,622.60x = 223,810,950,385.44
  5. Step 5: Solve for x
    x = 223,810,950,385.44/671,622.60
  6. Step 6: Final answer
    x = 333,239.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.