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Finding the Fourth Proportional to 368,069.55, 507,936.77 and 206,925.92

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Solution

The fourth proportional to 368,069.55, 507,936.77 and 206,925.92 is: 285,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,069.55 : 507,936.77 = 206,925.92 : x
  2. Step 2: Convert to fraction form
    368,069.55/507,936.77 = 206,925.92/x
  3. Step 3: Cross multiply
    368,069.55x = 507,936.77 × 206,925.92
  4. Step 4: Simplify right side
    368,069.55x = 105,105,283,434.08
  5. Step 5: Solve for x
    x = 105,105,283,434.08/368,069.55
  6. Step 6: Final answer
    x = 285,558.21

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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.