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Finding the Fourth Proportional to 488,074.68, 673,195.86 and 447,918.12

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Solution

The fourth proportional to 488,074.68, 673,195.86 and 447,918.12 is: 617,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,074.68 : 673,195.86 = 447,918.12 : x
  2. Step 2: Convert to fraction form
    488,074.68/673,195.86 = 447,918.12/x
  3. Step 3: Cross multiply
    488,074.68x = 673,195.86 × 447,918.12
  4. Step 4: Simplify right side
    488,074.68x = 301,536,624,002.98
  5. Step 5: Solve for x
    x = 301,536,624,002.98/488,074.68
  6. Step 6: Final answer
    x = 617,808.37

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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.