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Finding the Fourth Proportional to 481,623.94, 665,087.80 and 360,555.01

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Solution

The fourth proportional to 481,623.94, 665,087.80 and 360,555.01 is: 497,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,623.94 : 665,087.80 = 360,555.01 : x
  2. Step 2: Convert to fraction form
    481,623.94/665,087.80 = 360,555.01/x
  3. Step 3: Cross multiply
    481,623.94x = 665,087.80 × 360,555.01
  4. Step 4: Simplify right side
    481,623.94x = 239,800,735,815.77
  5. Step 5: Solve for x
    x = 239,800,735,815.77/481,623.94
  6. Step 6: Final answer
    x = 497,900.37

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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.