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Finding the Fourth Proportional to 477,235.94, 715,853.90 and 196,745.90

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Solution

The fourth proportional to 477,235.94, 715,853.90 and 196,745.90 is: 295,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,235.94 : 715,853.90 = 196,745.90 : x
  2. Step 2: Convert to fraction form
    477,235.94/715,853.90 = 196,745.90/x
  3. Step 3: Cross multiply
    477,235.94x = 715,853.90 × 196,745.90
  4. Step 4: Simplify right side
    477,235.94x = 140,841,316,736.61
  5. Step 5: Solve for x
    x = 140,841,316,736.61/477,235.94
  6. Step 6: Final answer
    x = 295,118.84

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Similar ratio
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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.