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Finding the Fourth Proportional to 368,842.41, 508,997.52 and 207,699.39

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Solution

The fourth proportional to 368,842.41, 508,997.52 and 207,699.39 is: 286,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,842.41 : 508,997.52 = 207,699.39 : x
  2. Step 2: Convert to fraction form
    368,842.41/508,997.52 = 207,699.39/x
  3. Step 3: Cross multiply
    368,842.41x = 508,997.52 × 207,699.39
  4. Step 4: Simplify right side
    368,842.41x = 105,718,474,415.51
  5. Step 5: Solve for x
    x = 105,718,474,415.51/368,842.41
  6. Step 6: Final answer
    x = 286,622.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.