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Finding the Fourth Proportional to 254,998.80, 381,623.40 and 234,003.60

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Solution

The fourth proportional to 254,998.80, 381,623.40 and 234,003.60 is: 350,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,998.80 : 381,623.40 = 234,003.60 : x
  2. Step 2: Convert to fraction form
    254,998.80/381,623.40 = 234,003.60/x
  3. Step 3: Cross multiply
    254,998.80x = 381,623.40 × 234,003.60
  4. Step 4: Simplify right side
    254,998.80x = 89,301,249,444.24
  5. Step 5: Solve for x
    x = 89,301,249,444.24/254,998.80
  6. Step 6: Final answer
    x = 350,202.63

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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.