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Finding the Fourth Proportional to 365,572.20, 504,486.18 and 204,425.40

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Solution

The fourth proportional to 365,572.20, 504,486.18 and 204,425.40 is: 282,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,572.20 : 504,486.18 = 204,425.40 : x
  2. Step 2: Convert to fraction form
    365,572.20/504,486.18 = 204,425.40/x
  3. Step 3: Cross multiply
    365,572.20x = 504,486.18 × 204,425.40
  4. Step 4: Simplify right side
    365,572.20x = 103,129,789,140.97
  5. Step 5: Solve for x
    x = 103,129,789,140.97/365,572.20
  6. Step 6: Final answer
    x = 282,105.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.