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Finding the Fourth Proportional to 342,963.96, 473,289.34 and 190,002.44

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Solution

The fourth proportional to 342,963.96, 473,289.34 and 190,002.44 is: 262,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,963.96 : 473,289.34 = 190,002.44 : x
  2. Step 2: Convert to fraction form
    342,963.96/473,289.34 = 190,002.44/x
  3. Step 3: Cross multiply
    342,963.96x = 473,289.34 × 190,002.44
  4. Step 4: Simplify right side
    342,963.96x = 89,926,129,425.99
  5. Step 5: Solve for x
    x = 89,926,129,425.99/342,963.96
  6. Step 6: Final answer
    x = 262,202.85

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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.