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Finding the Fourth Proportional to 353,208.40, 529,812.60 and 335,237.20

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Solution

The fourth proportional to 353,208.40, 529,812.60 and 335,237.20 is: 502,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,208.40 : 529,812.60 = 335,237.20 : x
  2. Step 2: Convert to fraction form
    353,208.40/529,812.60 = 335,237.20/x
  3. Step 3: Cross multiply
    353,208.40x = 529,812.60 × 335,237.20
  4. Step 4: Simplify right side
    353,208.40x = 177,612,892,548.72
  5. Step 5: Solve for x
    x = 177,612,892,548.72/353,208.40
  6. Step 6: Final answer
    x = 502,855.80

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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.