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Finding the Fourth Proportional to 746.46, 1,030.41 and 452.01

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Solution

The fourth proportional to 746.46, 1,030.41 and 452.01 is: 623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.46 : 1,030.41 = 452.01 : x
  2. Step 2: Convert to fraction form
    746.46/1,030.41 = 452.01/x
  3. Step 3: Cross multiply
    746.46x = 1,030.41 × 452.01
  4. Step 4: Simplify right side
    746.46x = 465,755.62
  5. Step 5: Solve for x
    x = 465,755.62/746.46
  6. Step 6: Final answer
    x = 623.95

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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.