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Finding the Fourth Proportional to 314,342.20, 433,801.79 and 222,625.79

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Solution

The fourth proportional to 314,342.20, 433,801.79 and 222,625.79 is: 307,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,342.20 : 433,801.79 = 222,625.79 : x
  2. Step 2: Convert to fraction form
    314,342.20/433,801.79 = 222,625.79/x
  3. Step 3: Cross multiply
    314,342.20x = 433,801.79 × 222,625.79
  4. Step 4: Simplify right side
    314,342.20x = 96,575,466,173.54
  5. Step 5: Solve for x
    x = 96,575,466,173.54/314,342.20
  6. Step 6: Final answer
    x = 307,230.36

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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.