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Finding the Fourth Proportional to 336,990.30, 504,428.40 and 184,979.22

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Solution

The fourth proportional to 336,990.30, 504,428.40 and 184,979.22 is: 276,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,990.30 : 504,428.40 = 184,979.22 : x
  2. Step 2: Convert to fraction form
    336,990.30/504,428.40 = 184,979.22/x
  3. Step 3: Cross multiply
    336,990.30x = 504,428.40 × 184,979.22
  4. Step 4: Simplify right side
    336,990.30x = 93,308,771,977.85
  5. Step 5: Solve for x
    x = 93,308,771,977.85/336,990.30
  6. Step 6: Final answer
    x = 276,888.60

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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.