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Finding the Fourth Proportional to 368,171.79, 508,080.11 and 207,025.43

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Solution

The fourth proportional to 368,171.79, 508,080.11 and 207,025.43 is: 285,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,171.79 : 508,080.11 = 207,025.43 : x
  2. Step 2: Convert to fraction form
    368,171.79/508,080.11 = 207,025.43/x
  3. Step 3: Cross multiply
    368,171.79x = 508,080.11 × 207,025.43
  4. Step 4: Simplify right side
    368,171.79x = 105,185,502,212.07
  5. Step 5: Solve for x
    x = 105,185,502,212.07/368,171.79
  6. Step 6: Final answer
    x = 285,696.80

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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.