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Finding the Fourth Proportional to 493,350.80, 739,702.20 and 193,650.80

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Solution

The fourth proportional to 493,350.80, 739,702.20 and 193,650.80 is: 290,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,350.80 : 739,702.20 = 193,650.80 : x
  2. Step 2: Convert to fraction form
    493,350.80/739,702.20 = 193,650.80/x
  3. Step 3: Cross multiply
    493,350.80x = 739,702.20 × 193,650.80
  4. Step 4: Simplify right side
    493,350.80x = 143,243,922,791.76
  5. Step 5: Solve for x
    x = 143,243,922,791.76/493,350.80
  6. Step 6: Final answer
    x = 290,349.02

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1.5x scale

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.