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Finding the Fourth Proportional to 907.46, 1,360.85 and 496.02

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Solution

The fourth proportional to 907.46, 1,360.85 and 496.02 is: 743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.46 : 1,360.85 = 496.02 : x
  2. Step 2: Convert to fraction form
    907.46/1,360.85 = 496.02/x
  3. Step 3: Cross multiply
    907.46x = 1,360.85 × 496.02
  4. Step 4: Simplify right side
    907.46x = 675,006.34
  5. Step 5: Solve for x
    x = 675,006.34/907.46
  6. Step 6: Final answer
    x = 743.85

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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.