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Finding the Fourth Proportional to 588.13, 810.86 and 366.68

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Solution

The fourth proportional to 588.13, 810.86 and 366.68 is: 505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.13 : 810.86 = 366.68 : x
  2. Step 2: Convert to fraction form
    588.13/810.86 = 366.68/x
  3. Step 3: Cross multiply
    588.13x = 810.86 × 366.68
  4. Step 4: Simplify right side
    588.13x = 297,326.34
  5. Step 5: Solve for x
    x = 297,326.34/588.13
  6. Step 6: Final answer
    x = 505.55

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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.