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Finding the Fourth Proportional to 622,481.60, 859,026.55 and 360,887.90

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Solution

The fourth proportional to 622,481.60, 859,026.55 and 360,887.90 is: 498,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,481.60 : 859,026.55 = 360,887.90 : x
  2. Step 2: Convert to fraction form
    622,481.60/859,026.55 = 360,887.90/x
  3. Step 3: Cross multiply
    622,481.60x = 859,026.55 × 360,887.90
  4. Step 4: Simplify right side
    622,481.60x = 310,012,282,476.39
  5. Step 5: Solve for x
    x = 310,012,282,476.39/622,481.60
  6. Step 6: Final answer
    x = 498,026.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.