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Finding the Fourth Proportional to 592.79, 884.79 and 556.31

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Solution

The fourth proportional to 592.79, 884.79 and 556.31 is: 830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.79 : 884.79 = 556.31 : x
  2. Step 2: Convert to fraction form
    592.79/884.79 = 556.31/x
  3. Step 3: Cross multiply
    592.79x = 884.79 × 556.31
  4. Step 4: Simplify right side
    592.79x = 492,217.52
  5. Step 5: Solve for x
    x = 492,217.52/592.79
  6. Step 6: Final answer
    x = 830.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.