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Finding the Fourth Proportional to 481,030.70, 663,777.16 and 325,665.96

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Solution

The fourth proportional to 481,030.70, 663,777.16 and 325,665.96 is: 449,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,030.70 : 663,777.16 = 325,665.96 : x
  2. Step 2: Convert to fraction form
    481,030.70/663,777.16 = 325,665.96/x
  3. Step 3: Cross multiply
    481,030.70x = 663,777.16 × 325,665.96
  4. Step 4: Simplify right side
    481,030.70x = 216,169,626,037.47
  5. Step 5: Solve for x
    x = 216,169,626,037.47/481,030.70
  6. Step 6: Final answer
    x = 449,388.42

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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.