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Finding the Fourth Proportional to 301,843.20, 453,056.40 and 183,745.20

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Solution

The fourth proportional to 301,843.20, 453,056.40 and 183,745.20 is: 275,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,843.20 : 453,056.40 = 183,745.20 : x
  2. Step 2: Convert to fraction form
    301,843.20/453,056.40 = 183,745.20/x
  3. Step 3: Cross multiply
    301,843.20x = 453,056.40 × 183,745.20
  4. Step 4: Simplify right side
    301,843.20x = 83,246,938,829.28
  5. Step 5: Solve for x
    x = 83,246,938,829.28/301,843.20
  6. Step 6: Final answer
    x = 275,795.31

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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.