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Finding the Fourth Proportional to 907.15, 1,360.26 and 444.23

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Solution

The fourth proportional to 907.15, 1,360.26 and 444.23 is: 666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.15 : 1,360.26 = 444.23 : x
  2. Step 2: Convert to fraction form
    907.15/1,360.26 = 444.23/x
  3. Step 3: Cross multiply
    907.15x = 1,360.26 × 444.23
  4. Step 4: Simplify right side
    907.15x = 604,268.30
  5. Step 5: Solve for x
    x = 604,268.30/907.15
  6. Step 6: Final answer
    x = 666.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.