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Finding the Fourth Proportional to 599,072.50, 899,210.16 and 279,442.42

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Solution

The fourth proportional to 599,072.50, 899,210.16 and 279,442.42 is: 419,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,072.50 : 899,210.16 = 279,442.42 : x
  2. Step 2: Convert to fraction form
    599,072.50/899,210.16 = 279,442.42/x
  3. Step 3: Cross multiply
    599,072.50x = 899,210.16 × 279,442.42
  4. Step 4: Simplify right side
    599,072.50x = 251,277,463,198.99
  5. Step 5: Solve for x
    x = 251,277,463,198.99/599,072.50
  6. Step 6: Final answer
    x = 419,444.16

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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.