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Finding the Fourth Proportional to 456,020.97, 629,371.49 and 262,424.67

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Solution

The fourth proportional to 456,020.97, 629,371.49 and 262,424.67 is: 362,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,020.97 : 629,371.49 = 262,424.67 : x
  2. Step 2: Convert to fraction form
    456,020.97/629,371.49 = 262,424.67/x
  3. Step 3: Cross multiply
    456,020.97x = 629,371.49 × 262,424.67
  4. Step 4: Simplify right side
    456,020.97x = 165,162,604,258.54
  5. Step 5: Solve for x
    x = 165,162,604,258.54/456,020.97
  6. Step 6: Final answer
    x = 362,182.04

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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.