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Finding the Fourth Proportional to 352,015.60, 528,023.40 and 202,716.40

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Solution

The fourth proportional to 352,015.60, 528,023.40 and 202,716.40 is: 304,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,015.60 : 528,023.40 = 202,716.40 : x
  2. Step 2: Convert to fraction form
    352,015.60/528,023.40 = 202,716.40/x
  3. Step 3: Cross multiply
    352,015.60x = 528,023.40 × 202,716.40
  4. Step 4: Simplify right side
    352,015.60x = 107,039,002,763.76
  5. Step 5: Solve for x
    x = 107,039,002,763.76/352,015.60
  6. Step 6: Final answer
    x = 304,074.60

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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.