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Finding the Fourth Proportional to 488,135.97, 732,419.42 and 168,336.63

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Solution

The fourth proportional to 488,135.97, 732,419.42 and 168,336.63 is: 252,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,135.97 : 732,419.42 = 168,336.63 : x
  2. Step 2: Convert to fraction form
    488,135.97/732,419.42 = 168,336.63/x
  3. Step 3: Cross multiply
    488,135.97x = 732,419.42 × 168,336.63
  4. Step 4: Simplify right side
    488,135.97x = 123,293,016,067.67
  5. Step 5: Solve for x
    x = 123,293,016,067.67/488,135.97
  6. Step 6: Final answer
    x = 252,579.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.