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Finding the Fourth Proportional to 353,460.87, 529,990.56 and 241,276.95

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Solution

The fourth proportional to 353,460.87, 529,990.56 and 241,276.95 is: 361,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,460.87 : 529,990.56 = 241,276.95 : x
  2. Step 2: Convert to fraction form
    353,460.87/529,990.56 = 241,276.95/x
  3. Step 3: Cross multiply
    353,460.87x = 529,990.56 × 241,276.95
  4. Step 4: Simplify right side
    353,460.87x = 127,874,505,845.59
  5. Step 5: Solve for x
    x = 127,874,505,845.59/353,460.87
  6. Step 6: Final answer
    x = 361,778.39

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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.