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Finding the Fourth Proportional to 362,309.80, 542,427.90 and 222,341.80

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Solution

The fourth proportional to 362,309.80, 542,427.90 and 222,341.80 is: 332,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,309.80 : 542,427.90 = 222,341.80 : x
  2. Step 2: Convert to fraction form
    362,309.80/542,427.90 = 222,341.80/x
  3. Step 3: Cross multiply
    362,309.80x = 542,427.90 × 222,341.80
  4. Step 4: Simplify right side
    362,309.80x = 120,604,395,656.22
  5. Step 5: Solve for x
    x = 120,604,395,656.22/362,309.80
  6. Step 6: Final answer
    x = 332,876.44

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1.5x scale

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.