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Finding the Fourth Proportional to 368,623.86, 508,438.87 and 246,054.43

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Solution

The fourth proportional to 368,623.86, 508,438.87 and 246,054.43 is: 339,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,623.86 : 508,438.87 = 246,054.43 : x
  2. Step 2: Convert to fraction form
    368,623.86/508,438.87 = 246,054.43/x
  3. Step 3: Cross multiply
    368,623.86x = 508,438.87 × 246,054.43
  4. Step 4: Simplify right side
    368,623.86x = 125,103,637,625.08
  5. Step 5: Solve for x
    x = 125,103,637,625.08/368,623.86
  6. Step 6: Final answer
    x = 339,380.19

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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.