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Finding the Fourth Proportional to 353,079.60, 529,619.40 and 241,105.20

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Solution

The fourth proportional to 353,079.60, 529,619.40 and 241,105.20 is: 361,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,079.60 : 529,619.40 = 241,105.20 : x
  2. Step 2: Convert to fraction form
    353,079.60/529,619.40 = 241,105.20/x
  3. Step 3: Cross multiply
    353,079.60x = 529,619.40 × 241,105.20
  4. Step 4: Simplify right side
    353,079.60x = 127,693,991,360.88
  5. Step 5: Solve for x
    x = 127,693,991,360.88/353,079.60
  6. Step 6: Final answer
    x = 361,657.80

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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.