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Finding the Fourth Proportional to 403,596.50, 605,429.60 and 104,074.56

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Solution

The fourth proportional to 403,596.50, 605,429.60 and 104,074.56 is: 156,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,596.50 : 605,429.60 = 104,074.56 : x
  2. Step 2: Convert to fraction form
    403,596.50/605,429.60 = 104,074.56/x
  3. Step 3: Cross multiply
    403,596.50x = 605,429.60 × 104,074.56
  4. Step 4: Simplify right side
    403,596.50x = 63,009,818,710.60
  5. Step 5: Solve for x
    x = 63,009,818,710.60/403,596.50
  6. Step 6: Final answer
    x = 156,120.83

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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.