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Finding the Fourth Proportional to 755.02, 1,041.42 and 444.52

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Solution

The fourth proportional to 755.02, 1,041.42 and 444.52 is: 613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.02 : 1,041.42 = 444.52 : x
  2. Step 2: Convert to fraction form
    755.02/1,041.42 = 444.52/x
  3. Step 3: Cross multiply
    755.02x = 1,041.42 × 444.52
  4. Step 4: Simplify right side
    755.02x = 462,932.02
  5. Step 5: Solve for x
    x = 462,932.02/755.02
  6. Step 6: Final answer
    x = 613.14

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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.