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Finding the Fourth Proportional to 488,104.68, 673,237.26 and 447,948.12

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Solution

The fourth proportional to 488,104.68, 673,237.26 and 447,948.12 is: 617,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,104.68 : 673,237.26 = 447,948.12 : x
  2. Step 2: Convert to fraction form
    488,104.68/673,237.26 = 447,948.12/x
  3. Step 3: Cross multiply
    488,104.68x = 673,237.26 × 447,948.12
  4. Step 4: Simplify right side
    488,104.68x = 301,575,364,930.95
  5. Step 5: Solve for x
    x = 301,575,364,930.95/488,104.68
  6. Step 6: Final answer
    x = 617,849.77

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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.