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Finding the Fourth Proportional to 589.61, 814.16 and 433.13

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Solution

The fourth proportional to 589.61, 814.16 and 433.13 is: 598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.61 : 814.16 = 433.13 : x
  2. Step 2: Convert to fraction form
    589.61/814.16 = 433.13/x
  3. Step 3: Cross multiply
    589.61x = 814.16 × 433.13
  4. Step 4: Simplify right side
    589.61x = 352,634.13
  5. Step 5: Solve for x
    x = 352,634.13/589.61
  6. Step 6: Final answer
    x = 598.08

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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.