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Finding the Fourth Proportional to 744.09, 1,116.44 and 332.95

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Solution

The fourth proportional to 744.09, 1,116.44 and 332.95 is: 499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.09 : 1,116.44 = 332.95 : x
  2. Step 2: Convert to fraction form
    744.09/1,116.44 = 332.95/x
  3. Step 3: Cross multiply
    744.09x = 1,116.44 × 332.95
  4. Step 4: Simplify right side
    744.09x = 371,711.45
  5. Step 5: Solve for x
    x = 371,711.45/744.09
  6. Step 6: Final answer
    x = 499.55

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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.