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Finding the Fourth Proportional to 302,622.60, 453,885.30 and 92,211.60

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Solution

The fourth proportional to 302,622.60, 453,885.30 and 92,211.60 is: 138,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,622.60 : 453,885.30 = 92,211.60 : x
  2. Step 2: Convert to fraction form
    302,622.60/453,885.30 = 92,211.60/x
  3. Step 3: Cross multiply
    302,622.60x = 453,885.30 × 92,211.60
  4. Step 4: Simplify right side
    302,622.60x = 41,853,489,729.48
  5. Step 5: Solve for x
    x = 41,853,489,729.48/302,622.60
  6. Step 6: Final answer
    x = 138,302.59

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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.