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Finding the Fourth Proportional to 907.28, 1,360.92 and 599.06

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Solution

The fourth proportional to 907.28, 1,360.92 and 599.06 is: 898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.28 : 1,360.92 = 599.06 : x
  2. Step 2: Convert to fraction form
    907.28/1,360.92 = 599.06/x
  3. Step 3: Cross multiply
    907.28x = 1,360.92 × 599.06
  4. Step 4: Simplify right side
    907.28x = 815,268.97
  5. Step 5: Solve for x
    x = 815,268.97/907.28
  6. Step 6: Final answer
    x = 898.59

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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.