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Finding the Fourth Proportional to 297,690.80, 446,536.20 and 264,513.20

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Solution

The fourth proportional to 297,690.80, 446,536.20 and 264,513.20 is: 396,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,690.80 : 446,536.20 = 264,513.20 : x
  2. Step 2: Convert to fraction form
    297,690.80/446,536.20 = 264,513.20/x
  3. Step 3: Cross multiply
    297,690.80x = 446,536.20 × 264,513.20
  4. Step 4: Simplify right side
    297,690.80x = 118,114,719,177.84
  5. Step 5: Solve for x
    x = 118,114,719,177.84/297,690.80
  6. Step 6: Final answer
    x = 396,769.80

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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.