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Finding the Fourth Proportional to 588.76, 812.59 and 340.04

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Solution

The fourth proportional to 588.76, 812.59 and 340.04 is: 469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.76 : 812.59 = 340.04 : x
  2. Step 2: Convert to fraction form
    588.76/812.59 = 340.04/x
  3. Step 3: Cross multiply
    588.76x = 812.59 × 340.04
  4. Step 4: Simplify right side
    588.76x = 276,315.14
  5. Step 5: Solve for x
    x = 276,315.14/588.76
  6. Step 6: Final answer
    x = 469.32

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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.