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Finding the Fourth Proportional to 493,003.40, 739,073.10 and 334,718.60

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Solution

The fourth proportional to 493,003.40, 739,073.10 and 334,718.60 is: 501,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,003.40 : 739,073.10 = 334,718.60 : x
  2. Step 2: Convert to fraction form
    493,003.40/739,073.10 = 334,718.60/x
  3. Step 3: Cross multiply
    493,003.40x = 739,073.10 × 334,718.60
  4. Step 4: Simplify right side
    493,003.40x = 247,381,513,329.66
  5. Step 5: Solve for x
    x = 247,381,513,329.66/493,003.40
  6. Step 6: Final answer
    x = 501,784.60

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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.