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Finding the Fourth Proportional to 488,716.20, 732,844.24 and 189,336.96

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Solution

The fourth proportional to 488,716.20, 732,844.24 and 189,336.96 is: 283,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,716.20 : 732,844.24 = 189,336.96 : x
  2. Step 2: Convert to fraction form
    488,716.20/732,844.24 = 189,336.96/x
  3. Step 3: Cross multiply
    488,716.20x = 732,844.24 × 189,336.96
  4. Step 4: Simplify right side
    488,716.20x = 138,754,500,555.11
  5. Step 5: Solve for x
    x = 138,754,500,555.11/488,716.20
  6. Step 6: Final answer
    x = 283,916.31

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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.