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Finding the Fourth Proportional to 594.24, 820.41 and 384.51

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Solution

The fourth proportional to 594.24, 820.41 and 384.51 is: 530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.24 : 820.41 = 384.51 : x
  2. Step 2: Convert to fraction form
    594.24/820.41 = 384.51/x
  3. Step 3: Cross multiply
    594.24x = 820.41 × 384.51
  4. Step 4: Simplify right side
    594.24x = 315,455.85
  5. Step 5: Solve for x
    x = 315,455.85/594.24
  6. Step 6: Final answer
    x = 530.86

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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.