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Finding the Fourth Proportional to 588.74, 812.93 and 562.30

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Solution

The fourth proportional to 588.74, 812.93 and 562.30 is: 776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.74 : 812.93 = 562.30 : x
  2. Step 2: Convert to fraction form
    588.74/812.93 = 562.30/x
  3. Step 3: Cross multiply
    588.74x = 812.93 × 562.30
  4. Step 4: Simplify right side
    588.74x = 457,110.54
  5. Step 5: Solve for x
    x = 457,110.54/588.74
  6. Step 6: Final answer
    x = 776.42

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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.