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Finding the Fourth Proportional to 633,540.02, 874,278.26 and 343,144.35

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Solution

The fourth proportional to 633,540.02, 874,278.26 and 343,144.35 is: 473,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,540.02 : 874,278.26 = 343,144.35 : x
  2. Step 2: Convert to fraction form
    633,540.02/874,278.26 = 343,144.35/x
  3. Step 3: Cross multiply
    633,540.02x = 874,278.26 × 343,144.35
  4. Step 4: Simplify right side
    633,540.02x = 300,003,648,096.44
  5. Step 5: Solve for x
    x = 300,003,648,096.44/633,540.02
  6. Step 6: Final answer
    x = 473,535.43

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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.