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Finding the Fourth Proportional to 302,615.60, 453,267.30 and 196,327.40

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Solution

The fourth proportional to 302,615.60, 453,267.30 and 196,327.40 is: 294,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,615.60 : 453,267.30 = 196,327.40 : x
  2. Step 2: Convert to fraction form
    302,615.60/453,267.30 = 196,327.40/x
  3. Step 3: Cross multiply
    302,615.60x = 453,267.30 × 196,327.40
  4. Step 4: Simplify right side
    302,615.60x = 88,988,790,514.02
  5. Step 5: Solve for x
    x = 88,988,790,514.02/302,615.60
  6. Step 6: Final answer
    x = 294,065.44

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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.