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Finding the Fourth Proportional to 599,405.25, 899,386.92 and 262,401.51

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Solution

The fourth proportional to 599,405.25, 899,386.92 and 262,401.51 is: 393,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,405.25 : 899,386.92 = 262,401.51 : x
  2. Step 2: Convert to fraction form
    599,405.25/899,386.92 = 262,401.51/x
  3. Step 3: Cross multiply
    599,405.25x = 899,386.92 × 262,401.51
  4. Step 4: Simplify right side
    599,405.25x = 236,000,485,882.25
  5. Step 5: Solve for x
    x = 236,000,485,882.25/599,405.25
  6. Step 6: Final answer
    x = 393,724.42

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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.