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Finding the Fourth Proportional to 347,401, 479,413.54 and 196,494.76

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Solution

The fourth proportional to 347,401, 479,413.54 and 196,494.76 is: 271,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,401 : 479,413.54 = 196,494.76 : x
  2. Step 2: Convert to fraction form
    347,401/479,413.54 = 196,494.76/x
  3. Step 3: Cross multiply
    347,401x = 479,413.54 × 196,494.76
  4. Step 4: Simplify right side
    347,401x = 94,202,248,483.05
  5. Step 5: Solve for x
    x = 94,202,248,483.05/347,401
  6. Step 6: Final answer
    x = 271,162.86

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1.5x scale

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.