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Finding the Fourth Proportional to 907.37, 1,360.74 and 633.59

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Solution

The fourth proportional to 907.37, 1,360.74 and 633.59 is: 950.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.37 : 1,360.74 = 633.59 : x
  2. Step 2: Convert to fraction form
    907.37/1,360.74 = 633.59/x
  3. Step 3: Cross multiply
    907.37x = 1,360.74 × 633.59
  4. Step 4: Simplify right side
    907.37x = 862,144.45
  5. Step 5: Solve for x
    x = 862,144.45/907.37
  6. Step 6: Final answer
    x = 950.16

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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.