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Finding the Fourth Proportional to 368,244.36, 508,172.40 and 207,099.36

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Solution

The fourth proportional to 368,244.36, 508,172.40 and 207,099.36 is: 285,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,244.36 : 508,172.40 = 207,099.36 : x
  2. Step 2: Convert to fraction form
    368,244.36/508,172.40 = 207,099.36/x
  3. Step 3: Cross multiply
    368,244.36x = 508,172.40 × 207,099.36
  4. Step 4: Simplify right side
    368,244.36x = 105,242,178,809.66
  5. Step 5: Solve for x
    x = 105,242,178,809.66/368,244.36
  6. Step 6: Final answer
    x = 285,794.41

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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.