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Finding the Fourth Proportional to 593.48, 890.40 and 349.76

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Solution

The fourth proportional to 593.48, 890.40 and 349.76 is: 524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.48 : 890.40 = 349.76 : x
  2. Step 2: Convert to fraction form
    593.48/890.40 = 349.76/x
  3. Step 3: Cross multiply
    593.48x = 890.40 × 349.76
  4. Step 4: Simplify right side
    593.48x = 311,426.30
  5. Step 5: Solve for x
    x = 311,426.30/593.48
  6. Step 6: Final answer
    x = 524.75

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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.