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Finding the Fourth Proportional to 302,561.40, 453,906.90 and 92,220.60

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Solution

The fourth proportional to 302,561.40, 453,906.90 and 92,220.60 is: 138,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,561.40 : 453,906.90 = 92,220.60 : x
  2. Step 2: Convert to fraction form
    302,561.40/453,906.90 = 92,220.60/x
  3. Step 3: Cross multiply
    302,561.40x = 453,906.90 × 92,220.60
  4. Step 4: Simplify right side
    302,561.40x = 41,859,566,662.14
  5. Step 5: Solve for x
    x = 41,859,566,662.14/302,561.40
  6. Step 6: Final answer
    x = 138,350.65

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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.