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Finding the Fourth Proportional to 592.88, 888.04 and 386.83

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Solution

The fourth proportional to 592.88, 888.04 and 386.83 is: 579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.88 : 888.04 = 386.83 : x
  2. Step 2: Convert to fraction form
    592.88/888.04 = 386.83/x
  3. Step 3: Cross multiply
    592.88x = 888.04 × 386.83
  4. Step 4: Simplify right side
    592.88x = 343,516.07
  5. Step 5: Solve for x
    x = 343,516.07/592.88
  6. Step 6: Final answer
    x = 579.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.