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Finding the Fourth Proportional to 272,994.30, 408,507.30 and 184,420.80

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Solution

The fourth proportional to 272,994.30, 408,507.30 and 184,420.80 is: 275,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,994.30 : 408,507.30 = 184,420.80 : x
  2. Step 2: Convert to fraction form
    272,994.30/408,507.30 = 184,420.80/x
  3. Step 3: Cross multiply
    272,994.30x = 408,507.30 × 184,420.80
  4. Step 4: Simplify right side
    272,994.30x = 75,337,243,071.84
  5. Step 5: Solve for x
    x = 75,337,243,071.84/272,994.30
  6. Step 6: Final answer
    x = 275,966.36

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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.