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Finding the Fourth Proportional to 605,021.76, 907,320.96 and 178,444.32

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Solution

The fourth proportional to 605,021.76, 907,320.96 and 178,444.32 is: 267,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,021.76 : 907,320.96 = 178,444.32 : x
  2. Step 2: Convert to fraction form
    605,021.76/907,320.96 = 178,444.32/x
  3. Step 3: Cross multiply
    605,021.76x = 907,320.96 × 178,444.32
  4. Step 4: Simplify right side
    605,021.76x = 161,906,271,728.95
  5. Step 5: Solve for x
    x = 161,906,271,728.95/605,021.76
  6. Step 6: Final answer
    x = 267,604.05

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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.