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Finding the Fourth Proportional to 633,589.16, 874,353.78 and 343,201.34

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Solution

The fourth proportional to 633,589.16, 874,353.78 and 343,201.34 is: 473,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,589.16 : 874,353.78 = 343,201.34 : x
  2. Step 2: Convert to fraction form
    633,589.16/874,353.78 = 343,201.34/x
  3. Step 3: Cross multiply
    633,589.16x = 874,353.78 × 343,201.34
  4. Step 4: Simplify right side
    633,589.16x = 300,079,388,930.07
  5. Step 5: Solve for x
    x = 300,079,388,930.07/633,589.16
  6. Step 6: Final answer
    x = 473,618.25

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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.