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Finding the Fourth Proportional to 794.41, 1,096.34 and 445.10

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Solution

The fourth proportional to 794.41, 1,096.34 and 445.10 is: 614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.41 : 1,096.34 = 445.10 : x
  2. Step 2: Convert to fraction form
    794.41/1,096.34 = 445.10/x
  3. Step 3: Cross multiply
    794.41x = 1,096.34 × 445.10
  4. Step 4: Simplify right side
    794.41x = 487,973.23
  5. Step 5: Solve for x
    x = 487,973.23/794.41
  6. Step 6: Final answer
    x = 614.26

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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.