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Finding the Fourth Proportional to 954,354.78, 1,431,494.78 and 323,268.57

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Solution

The fourth proportional to 954,354.78, 1,431,494.78 and 323,268.57 is: 484,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,354.78 : 1,431,494.78 = 323,268.57 : x
  2. Step 2: Convert to fraction form
    954,354.78/1,431,494.78 = 323,268.57/x
  3. Step 3: Cross multiply
    954,354.78x = 1,431,494.78 × 323,268.57
  4. Step 4: Simplify right side
    954,354.78x = 462,757,268,876.72
  5. Step 5: Solve for x
    x = 462,757,268,876.72/954,354.78
  6. Step 6: Final answer
    x = 484,890.19

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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.