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Finding the Fourth Proportional to 633,667.56, 874,461.06 and 347,198.52

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Solution

The fourth proportional to 633,667.56, 874,461.06 and 347,198.52 is: 479,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,667.56 : 874,461.06 = 347,198.52 : x
  2. Step 2: Convert to fraction form
    633,667.56/874,461.06 = 347,198.52/x
  3. Step 3: Cross multiply
    633,667.56x = 874,461.06 × 347,198.52
  4. Step 4: Simplify right side
    633,667.56x = 303,611,585,829.63
  5. Step 5: Solve for x
    x = 303,611,585,829.63/633,667.56
  6. Step 6: Final answer
    x = 479,133.86

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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.