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Finding the Fourth Proportional to 907.14, 1,360.71 and 444.84

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Solution

The fourth proportional to 907.14, 1,360.71 and 444.84 is: 667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.14 : 1,360.71 = 444.84 : x
  2. Step 2: Convert to fraction form
    907.14/1,360.71 = 444.84/x
  3. Step 3: Cross multiply
    907.14x = 1,360.71 × 444.84
  4. Step 4: Simplify right side
    907.14x = 605,298.24
  5. Step 5: Solve for x
    x = 605,298.24/907.14
  6. Step 6: Final answer
    x = 667.26

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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.