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Finding the Fourth Proportional to 417,028.77, 625,059.27 and 191,916.63

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Solution

The fourth proportional to 417,028.77, 625,059.27 and 191,916.63 is: 287,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,028.77 : 625,059.27 = 191,916.63 : x
  2. Step 2: Convert to fraction form
    417,028.77/625,059.27 = 191,916.63/x
  3. Step 3: Cross multiply
    417,028.77x = 625,059.27 × 191,916.63
  4. Step 4: Simplify right side
    417,028.77x = 119,959,268,648.66
  5. Step 5: Solve for x
    x = 119,959,268,648.66/417,028.77
  6. Step 6: Final answer
    x = 287,652.26

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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.