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Finding the Fourth Proportional to 488,020.38, 673,372.38 and 306,627.22

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Solution

The fourth proportional to 488,020.38, 673,372.38 and 306,627.22 is: 423,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,020.38 : 673,372.38 = 306,627.22 : x
  2. Step 2: Convert to fraction form
    488,020.38/673,372.38 = 306,627.22/x
  3. Step 3: Cross multiply
    488,020.38x = 673,372.38 × 306,627.22
  4. Step 4: Simplify right side
    488,020.38x = 206,474,300,904.18
  5. Step 5: Solve for x
    x = 206,474,300,904.18/488,020.38
  6. Step 6: Final answer
    x = 423,085.41

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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.