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Finding the Fourth Proportional to 480,969.27, 663,576.41 and 277,016.11

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Solution

The fourth proportional to 480,969.27, 663,576.41 and 277,016.11 is: 382,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,969.27 : 663,576.41 = 277,016.11 : x
  2. Step 2: Convert to fraction form
    480,969.27/663,576.41 = 277,016.11/x
  3. Step 3: Cross multiply
    480,969.27x = 663,576.41 × 277,016.11
  4. Step 4: Simplify right side
    480,969.27x = 183,821,354,819.56
  5. Step 5: Solve for x
    x = 183,821,354,819.56/480,969.27
  6. Step 6: Final answer
    x = 382,189.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.