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Finding the Fourth Proportional to 293,314.86, 404,780.23 and 191,405.52

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Solution

The fourth proportional to 293,314.86, 404,780.23 and 191,405.52 is: 264,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,314.86 : 404,780.23 = 191,405.52 : x
  2. Step 2: Convert to fraction form
    293,314.86/404,780.23 = 191,405.52/x
  3. Step 3: Cross multiply
    293,314.86x = 404,780.23 × 191,405.52
  4. Step 4: Simplify right side
    293,314.86x = 77,477,170,408.87
  5. Step 5: Solve for x
    x = 77,477,170,408.87/293,314.86
  6. Step 6: Final answer
    x = 264,143.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.