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Finding the Fourth Proportional to 593.99, 891 and 286.10

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Solution

The fourth proportional to 593.99, 891 and 286.10 is: 429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.99 : 891 = 286.10 : x
  2. Step 2: Convert to fraction form
    593.99/891 = 286.10/x
  3. Step 3: Cross multiply
    593.99x = 891 × 286.10
  4. Step 4: Simplify right side
    593.99x = 254,915.10
  5. Step 5: Solve for x
    x = 254,915.10/593.99
  6. Step 6: Final answer
    x = 429.16

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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.