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Finding the Fourth Proportional to 754.94, 1,041.93 and 460.32

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Solution

The fourth proportional to 754.94, 1,041.93 and 460.32 is: 635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.94 : 1,041.93 = 460.32 : x
  2. Step 2: Convert to fraction form
    754.94/1,041.93 = 460.32/x
  3. Step 3: Cross multiply
    754.94x = 1,041.93 × 460.32
  4. Step 4: Simplify right side
    754.94x = 479,621.22
  5. Step 5: Solve for x
    x = 479,621.22/754.94
  6. Step 6: Final answer
    x = 635.31

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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.