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Finding the Fourth Proportional to 347,503.50, 479,551.59 and 196,600.50

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Solution

The fourth proportional to 347,503.50, 479,551.59 and 196,600.50 is: 271,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,503.50 : 479,551.59 = 196,600.50 : x
  2. Step 2: Convert to fraction form
    347,503.50/479,551.59 = 196,600.50/x
  3. Step 3: Cross multiply
    347,503.50x = 479,551.59 × 196,600.50
  4. Step 4: Simplify right side
    347,503.50x = 94,280,082,369.80
  5. Step 5: Solve for x
    x = 94,280,082,369.80/347,503.50
  6. Step 6: Final answer
    x = 271,306.86

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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.