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Finding the Fourth Proportional to 222,775.73, 307,446.80 and 127,280.37

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Solution

The fourth proportional to 222,775.73, 307,446.80 and 127,280.37 is: 175,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,775.73 : 307,446.80 = 127,280.37 : x
  2. Step 2: Convert to fraction form
    222,775.73/307,446.80 = 127,280.37/x
  3. Step 3: Cross multiply
    222,775.73x = 307,446.80 × 127,280.37
  4. Step 4: Simplify right side
    222,775.73x = 39,131,942,459.32
  5. Step 5: Solve for x
    x = 39,131,942,459.32/222,775.73
  6. Step 6: Final answer
    x = 175,656.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.