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Finding the Fourth Proportional to 352,685.60, 529,028.40 and 335,189.60

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Solution

The fourth proportional to 352,685.60, 529,028.40 and 335,189.60 is: 502,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,685.60 : 529,028.40 = 335,189.60 : x
  2. Step 2: Convert to fraction form
    352,685.60/529,028.40 = 335,189.60/x
  3. Step 3: Cross multiply
    352,685.60x = 529,028.40 × 335,189.60
  4. Step 4: Simplify right side
    352,685.60x = 177,324,817,784.64
  5. Step 5: Solve for x
    x = 177,324,817,784.64/352,685.60
  6. Step 6: Final answer
    x = 502,784.40

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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.