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Finding the Fourth Proportional to 417,101.10, 625,651.65 and 259,637.10

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Solution

The fourth proportional to 417,101.10, 625,651.65 and 259,637.10 is: 389,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,101.10 : 625,651.65 = 259,637.10 : x
  2. Step 2: Convert to fraction form
    417,101.10/625,651.65 = 259,637.10/x
  3. Step 3: Cross multiply
    417,101.10x = 625,651.65 × 259,637.10
  4. Step 4: Simplify right side
    417,101.10x = 162,442,380,016.22
  5. Step 5: Solve for x
    x = 162,442,380,016.22/417,101.10
  6. Step 6: Final answer
    x = 389,455.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.