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Finding the Fourth Proportional to 735.19, 1,014.54 and 416.13

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Solution

The fourth proportional to 735.19, 1,014.54 and 416.13 is: 574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.19 : 1,014.54 = 416.13 : x
  2. Step 2: Convert to fraction form
    735.19/1,014.54 = 416.13/x
  3. Step 3: Cross multiply
    735.19x = 1,014.54 × 416.13
  4. Step 4: Simplify right side
    735.19x = 422,180.53
  5. Step 5: Solve for x
    x = 422,180.53/735.19
  6. Step 6: Final answer
    x = 574.25

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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.