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Finding the Fourth Proportional to 732.44, 1,010.66 and 433.68

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Solution

The fourth proportional to 732.44, 1,010.66 and 433.68 is: 598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.44 : 1,010.66 = 433.68 : x
  2. Step 2: Convert to fraction form
    732.44/1,010.66 = 433.68/x
  3. Step 3: Cross multiply
    732.44x = 1,010.66 × 433.68
  4. Step 4: Simplify right side
    732.44x = 438,303.03
  5. Step 5: Solve for x
    x = 438,303.03/732.44
  6. Step 6: Final answer
    x = 598.41

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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.