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Finding the Fourth Proportional to 488,604.17, 673,994.25 and 284,633.60

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Solution

The fourth proportional to 488,604.17, 673,994.25 and 284,633.60 is: 392,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,604.17 : 673,994.25 = 284,633.60 : x
  2. Step 2: Convert to fraction form
    488,604.17/673,994.25 = 284,633.60/x
  3. Step 3: Cross multiply
    488,604.17x = 673,994.25 × 284,633.60
  4. Step 4: Simplify right side
    488,604.17x = 191,841,409,756.80
  5. Step 5: Solve for x
    x = 191,841,409,756.80/488,604.17
  6. Step 6: Final answer
    x = 392,631.54

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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.