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Finding the Fourth Proportional to 425,562.22, 587,258.16 and 231,965.66

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Solution

The fourth proportional to 425,562.22, 587,258.16 and 231,965.66 is: 320,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,562.22 : 587,258.16 = 231,965.66 : x
  2. Step 2: Convert to fraction form
    425,562.22/587,258.16 = 231,965.66/x
  3. Step 3: Cross multiply
    425,562.22x = 587,258.16 × 231,965.66
  4. Step 4: Simplify right side
    425,562.22x = 136,223,726,674.79
  5. Step 5: Solve for x
    x = 136,223,726,674.79/425,562.22
  6. Step 6: Final answer
    x = 320,102.96

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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.