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Finding the Fourth Proportional to 593.84, 890.49 and 399.04

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Solution

The fourth proportional to 593.84, 890.49 and 399.04 is: 598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.84 : 890.49 = 399.04 : x
  2. Step 2: Convert to fraction form
    593.84/890.49 = 399.04/x
  3. Step 3: Cross multiply
    593.84x = 890.49 × 399.04
  4. Step 4: Simplify right side
    593.84x = 355,341.13
  5. Step 5: Solve for x
    x = 355,341.13/593.84
  6. Step 6: Final answer
    x = 598.38

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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.