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Finding the Fourth Proportional to 488,207.56, 732,380.64 and 151,274.68

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Solution

The fourth proportional to 488,207.56, 732,380.64 and 151,274.68 is: 226,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,207.56 : 732,380.64 = 151,274.68 : x
  2. Step 2: Convert to fraction form
    488,207.56/732,380.64 = 151,274.68/x
  3. Step 3: Cross multiply
    488,207.56x = 732,380.64 × 151,274.68
  4. Step 4: Simplify right side
    488,207.56x = 110,790,646,954.20
  5. Step 5: Solve for x
    x = 110,790,646,954.20/488,207.56
  6. Step 6: Final answer
    x = 226,933.49

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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.