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Finding the Fourth Proportional to 353,059.60, 529,816.20 and 195,401.20

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Solution

The fourth proportional to 353,059.60, 529,816.20 and 195,401.20 is: 293,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,059.60 : 529,816.20 = 195,401.20 : x
  2. Step 2: Convert to fraction form
    353,059.60/529,816.20 = 195,401.20/x
  3. Step 3: Cross multiply
    353,059.60x = 529,816.20 × 195,401.20
  4. Step 4: Simplify right side
    353,059.60x = 103,526,721,259.44
  5. Step 5: Solve for x
    x = 103,526,721,259.44/353,059.60
  6. Step 6: Final answer
    x = 293,227.32

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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.