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Finding the Fourth Proportional to 342,772.83, 473,003.96 and 191,840.67

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Solution

The fourth proportional to 342,772.83, 473,003.96 and 191,840.67 is: 264,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,772.83 : 473,003.96 = 191,840.67 : x
  2. Step 2: Convert to fraction form
    342,772.83/473,003.96 = 191,840.67/x
  3. Step 3: Cross multiply
    342,772.83x = 473,003.96 × 191,840.67
  4. Step 4: Simplify right side
    342,772.83x = 90,741,395,639.85
  5. Step 5: Solve for x
    x = 90,741,395,639.85/342,772.83
  6. Step 6: Final answer
    x = 264,727.50

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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.