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Finding the Fourth Proportional to 493,539.60, 740,309.40 and 334,107.30

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Solution

The fourth proportional to 493,539.60, 740,309.40 and 334,107.30 is: 501,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,539.60 : 740,309.40 = 334,107.30 : x
  2. Step 2: Convert to fraction form
    493,539.60/740,309.40 = 334,107.30/x
  3. Step 3: Cross multiply
    493,539.60x = 740,309.40 × 334,107.30
  4. Step 4: Simplify right side
    493,539.60x = 247,342,774,798.62
  5. Step 5: Solve for x
    x = 247,342,774,798.62/493,539.60
  6. Step 6: Final answer
    x = 501,160.95

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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.