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Finding the Fourth Proportional to 301,672.89, 452,699.91 and 168,640.43

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Solution

The fourth proportional to 301,672.89, 452,699.91 and 168,640.43 is: 253,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,672.89 : 452,699.91 = 168,640.43 : x
  2. Step 2: Convert to fraction form
    301,672.89/452,699.91 = 168,640.43/x
  3. Step 3: Cross multiply
    301,672.89x = 452,699.91 × 168,640.43
  4. Step 4: Simplify right side
    301,672.89x = 76,343,505,219.86
  5. Step 5: Solve for x
    x = 76,343,505,219.86/301,672.89
  6. Step 6: Final answer
    x = 253,067.17

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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.