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Finding the Fourth Proportional to 425,993.89, 587,868.29 and 235,015.33

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Solution

The fourth proportional to 425,993.89, 587,868.29 and 235,015.33 is: 324,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,993.89 : 587,868.29 = 235,015.33 : x
  2. Step 2: Convert to fraction form
    425,993.89/587,868.29 = 235,015.33/x
  3. Step 3: Cross multiply
    425,993.89x = 587,868.29 × 235,015.33
  4. Step 4: Simplify right side
    425,993.89x = 138,158,058,995.81
  5. Step 5: Solve for x
    x = 138,158,058,995.81/425,993.89
  6. Step 6: Final answer
    x = 324,319.34

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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.