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Finding the Fourth Proportional to 588.65, 808.98 and 483.56

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Solution

The fourth proportional to 588.65, 808.98 and 483.56 is: 664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.65 : 808.98 = 483.56 : x
  2. Step 2: Convert to fraction form
    588.65/808.98 = 483.56/x
  3. Step 3: Cross multiply
    588.65x = 808.98 × 483.56
  4. Step 4: Simplify right side
    588.65x = 391,186.32
  5. Step 5: Solve for x
    x = 391,186.32/588.65
  6. Step 6: Final answer
    x = 664.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.