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Finding the Fourth Proportional to 493,480.80, 739,054.80 and 334,850.40

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Solution

The fourth proportional to 493,480.80, 739,054.80 and 334,850.40 is: 501,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,480.80 : 739,054.80 = 334,850.40 : x
  2. Step 2: Convert to fraction form
    493,480.80/739,054.80 = 334,850.40/x
  3. Step 3: Cross multiply
    493,480.80x = 739,054.80 × 334,850.40
  4. Step 4: Simplify right side
    493,480.80x = 247,472,795,401.92
  5. Step 5: Solve for x
    x = 247,472,795,401.92/493,480.80
  6. Step 6: Final answer
    x = 501,484.14

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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.