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Finding the Fourth Proportional to 279,436.80, 418,331.52 and 184,492.80

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Solution

The fourth proportional to 279,436.80, 418,331.52 and 184,492.80 is: 276,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,436.80 : 418,331.52 = 184,492.80 : x
  2. Step 2: Convert to fraction form
    279,436.80/418,331.52 = 184,492.80/x
  3. Step 3: Cross multiply
    279,436.80x = 418,331.52 × 184,492.80
  4. Step 4: Simplify right side
    279,436.80x = 77,179,153,453.06
  5. Step 5: Solve for x
    x = 77,179,153,453.06/279,436.80
  6. Step 6: Final answer
    x = 276,195.38

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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.