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Finding the Fourth Proportional to 453,630.60, 680,445.90 and 294,198.30

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Solution

The fourth proportional to 453,630.60, 680,445.90 and 294,198.30 is: 441,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,630.60 : 680,445.90 = 294,198.30 : x
  2. Step 2: Convert to fraction form
    453,630.60/680,445.90 = 294,198.30/x
  3. Step 3: Cross multiply
    453,630.60x = 680,445.90 × 294,198.30
  4. Step 4: Simplify right side
    453,630.60x = 200,186,027,021.97
  5. Step 5: Solve for x
    x = 200,186,027,021.97/453,630.60
  6. Step 6: Final answer
    x = 441,297.45

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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.