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Finding the Fourth Proportional to 493,292.35, 739,651.38 and 193,421.44

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Solution

The fourth proportional to 493,292.35, 739,651.38 and 193,421.44 is: 290,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,292.35 : 739,651.38 = 193,421.44 : x
  2. Step 2: Convert to fraction form
    493,292.35/739,651.38 = 193,421.44/x
  3. Step 3: Cross multiply
    493,292.35x = 739,651.38 × 193,421.44
  4. Step 4: Simplify right side
    493,292.35x = 143,064,435,017.59
  5. Step 5: Solve for x
    x = 143,064,435,017.59/493,292.35
  6. Step 6: Final answer
    x = 290,019.57

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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.