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Finding the Fourth Proportional to 907.44, 1,360.86 and 496.02

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Solution

The fourth proportional to 907.44, 1,360.86 and 496.02 is: 743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.44 : 1,360.86 = 496.02 : x
  2. Step 2: Convert to fraction form
    907.44/1,360.86 = 496.02/x
  3. Step 3: Cross multiply
    907.44x = 1,360.86 × 496.02
  4. Step 4: Simplify right side
    907.44x = 675,013.78
  5. Step 5: Solve for x
    x = 675,013.78/907.44
  6. Step 6: Final answer
    x = 743.87

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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.