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Finding the Fourth Proportional to 633,849.56, 874,692.60 and 347,364.44

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Solution

The fourth proportional to 633,849.56, 874,692.60 and 347,364.44 is: 479,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,849.56 : 874,692.60 = 347,364.44 : x
  2. Step 2: Convert to fraction form
    633,849.56/874,692.60 = 347,364.44/x
  3. Step 3: Cross multiply
    633,849.56x = 874,692.60 × 347,364.44
  4. Step 4: Simplify right side
    633,849.56x = 303,837,105,171.14
  5. Step 5: Solve for x
    x = 303,837,105,171.14/633,849.56
  6. Step 6: Final answer
    x = 479,352.08

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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.