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Finding the Fourth Proportional to 353,539.01, 530,097 and 239,826.56

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Solution

The fourth proportional to 353,539.01, 530,097 and 239,826.56 is: 359,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,539.01 : 530,097 = 239,826.56 : x
  2. Step 2: Convert to fraction form
    353,539.01/530,097 = 239,826.56/x
  3. Step 3: Cross multiply
    353,539.01x = 530,097 × 239,826.56
  4. Step 4: Simplify right side
    353,539.01x = 127,131,339,976.32
  5. Step 5: Solve for x
    x = 127,131,339,976.32/353,539.01
  6. Step 6: Final answer
    x = 359,596.36

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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.