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Finding the Fourth Proportional to 304,084.40, 455,608.20 and 251,207.60

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Solution

The fourth proportional to 304,084.40, 455,608.20 and 251,207.60 is: 376,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,084.40 : 455,608.20 = 251,207.60 : x
  2. Step 2: Convert to fraction form
    304,084.40/455,608.20 = 251,207.60/x
  3. Step 3: Cross multiply
    304,084.40x = 455,608.20 × 251,207.60
  4. Step 4: Simplify right side
    304,084.40x = 114,452,242,462.32
  5. Step 5: Solve for x
    x = 114,452,242,462.32/304,084.40
  6. Step 6: Final answer
    x = 376,383.14

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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.