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Finding the Fourth Proportional to 343,055, 473,408.83 and 190,091.86

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Solution

The fourth proportional to 343,055, 473,408.83 and 190,091.86 is: 262,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,055 : 473,408.83 = 190,091.86 : x
  2. Step 2: Convert to fraction form
    343,055/473,408.83 = 190,091.86/x
  3. Step 3: Cross multiply
    343,055x = 473,408.83 × 190,091.86
  4. Step 4: Simplify right side
    343,055x = 89,991,165,035.12
  5. Step 5: Solve for x
    x = 89,991,165,035.12/343,055
  6. Step 6: Final answer
    x = 262,322.85

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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.