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Finding the Fourth Proportional to 453,965.20, 679,198.20 and 296,501.20

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Solution

The fourth proportional to 453,965.20, 679,198.20 and 296,501.20 is: 443,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,965.20 : 679,198.20 = 296,501.20 : x
  2. Step 2: Convert to fraction form
    453,965.20/679,198.20 = 296,501.20/x
  3. Step 3: Cross multiply
    453,965.20x = 679,198.20 × 296,501.20
  4. Step 4: Simplify right side
    453,965.20x = 201,383,081,337.84
  5. Step 5: Solve for x
    x = 201,383,081,337.84/453,965.20
  6. Step 6: Final answer
    x = 443,609.07

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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.