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Finding the Fourth Proportional to 594.24, 889.52 and 431.88

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Solution

The fourth proportional to 594.24, 889.52 and 431.88 is: 646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.24 : 889.52 = 431.88 : x
  2. Step 2: Convert to fraction form
    594.24/889.52 = 431.88/x
  3. Step 3: Cross multiply
    594.24x = 889.52 × 431.88
  4. Step 4: Simplify right side
    594.24x = 384,165.90
  5. Step 5: Solve for x
    x = 384,165.90/594.24
  6. Step 6: Final answer
    x = 646.48

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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.