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Finding the Fourth Proportional to 739.46, 1,019.04 and 597.44

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Solution

The fourth proportional to 739.46, 1,019.04 and 597.44 is: 823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    739.46 : 1,019.04 = 597.44 : x
  2. Step 2: Convert to fraction form
    739.46/1,019.04 = 597.44/x
  3. Step 3: Cross multiply
    739.46x = 1,019.04 × 597.44
  4. Step 4: Simplify right side
    739.46x = 608,815.26
  5. Step 5: Solve for x
    x = 608,815.26/739.46
  6. Step 6: Final answer
    x = 823.32

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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.