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Finding the Fourth Proportional to 744.99, 1,117.83 and 334.24

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Solution

The fourth proportional to 744.99, 1,117.83 and 334.24 is: 501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.99 : 1,117.83 = 334.24 : x
  2. Step 2: Convert to fraction form
    744.99/1,117.83 = 334.24/x
  3. Step 3: Cross multiply
    744.99x = 1,117.83 × 334.24
  4. Step 4: Simplify right side
    744.99x = 373,623.50
  5. Step 5: Solve for x
    x = 373,623.50/744.99
  6. Step 6: Final answer
    x = 501.51

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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.