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Finding the Fourth Proportional to 493,843.60, 740,765.40 and 334,411.30

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Solution

The fourth proportional to 493,843.60, 740,765.40 and 334,411.30 is: 501,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,843.60 : 740,765.40 = 334,411.30 : x
  2. Step 2: Convert to fraction form
    493,843.60/740,765.40 = 334,411.30/x
  3. Step 3: Cross multiply
    493,843.60x = 740,765.40 × 334,411.30
  4. Step 4: Simplify right side
    493,843.60x = 247,720,320,409.02
  5. Step 5: Solve for x
    x = 247,720,320,409.02/493,843.60
  6. Step 6: Final answer
    x = 501,616.95

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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.