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Finding the Fourth Proportional to 593.16, 889.42 and 289.16

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Solution

The fourth proportional to 593.16, 889.42 and 289.16 is: 433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.16 : 889.42 = 289.16 : x
  2. Step 2: Convert to fraction form
    593.16/889.42 = 289.16/x
  3. Step 3: Cross multiply
    593.16x = 889.42 × 289.16
  4. Step 4: Simplify right side
    593.16x = 257,184.69
  5. Step 5: Solve for x
    x = 257,184.69/593.16
  6. Step 6: Final answer
    x = 433.58

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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.