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Finding the Fourth Proportional to 1,149.42, 1,724.29 and 533.29

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Solution

The fourth proportional to 1,149.42, 1,724.29 and 533.29 is: 800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.42 : 1,724.29 = 533.29 : x
  2. Step 2: Convert to fraction form
    1,149.42/1,724.29 = 533.29/x
  3. Step 3: Cross multiply
    1,149.42x = 1,724.29 × 533.29
  4. Step 4: Simplify right side
    1,149.42x = 919,537.99
  5. Step 5: Solve for x
    x = 919,537.99/1,149.42
  6. Step 6: Final answer
    x = 800.00

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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.