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Finding the Fourth Proportional to 347,603, 479,580.60 and 194,618.64

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Solution

The fourth proportional to 347,603, 479,580.60 and 194,618.64 is: 268,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,603 : 479,580.60 = 194,618.64 : x
  2. Step 2: Convert to fraction form
    347,603/479,580.60 = 194,618.64/x
  3. Step 3: Cross multiply
    347,603x = 479,580.60 × 194,618.64
  4. Step 4: Simplify right side
    347,603x = 93,335,324,142.38
  5. Step 5: Solve for x
    x = 93,335,324,142.38/347,603
  6. Step 6: Final answer
    x = 268,511.27

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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.