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Finding the Fourth Proportional to 425,711.44, 587,440.26 and 262,342.54

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Solution

The fourth proportional to 425,711.44, 587,440.26 and 262,342.54 is: 362,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,711.44 : 587,440.26 = 262,342.54 : x
  2. Step 2: Convert to fraction form
    425,711.44/587,440.26 = 262,342.54/x
  3. Step 3: Cross multiply
    425,711.44x = 587,440.26 × 262,342.54
  4. Step 4: Simplify right side
    425,711.44x = 154,110,569,906.66
  5. Step 5: Solve for x
    x = 154,110,569,906.66/425,711.44
  6. Step 6: Final answer
    x = 362,007.11

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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.