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Finding the Fourth Proportional to 605,008.64, 907,301.41 and 178,431.32

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Solution

The fourth proportional to 605,008.64, 907,301.41 and 178,431.32 is: 267,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,008.64 : 907,301.41 = 178,431.32 : x
  2. Step 2: Convert to fraction form
    605,008.64/907,301.41 = 178,431.32/x
  3. Step 3: Cross multiply
    605,008.64x = 907,301.41 × 178,431.32
  4. Step 4: Simplify right side
    605,008.64x = 161,890,988,224.16
  5. Step 5: Solve for x
    x = 161,890,988,224.16/605,008.64
  6. Step 6: Final answer
    x = 267,584.59

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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.