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Finding the Fourth Proportional to 368,069.60, 507,932.99 and 206,925.37

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Solution

The fourth proportional to 368,069.60, 507,932.99 and 206,925.37 is: 285,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,069.60 : 507,932.99 = 206,925.37 : x
  2. Step 2: Convert to fraction form
    368,069.60/507,932.99 = 206,925.37/x
  3. Step 3: Cross multiply
    368,069.60x = 507,932.99 × 206,925.37
  4. Step 4: Simplify right side
    368,069.60x = 105,104,219,351.29
  5. Step 5: Solve for x
    x = 105,104,219,351.29/368,069.60
  6. Step 6: Final answer
    x = 285,555.28

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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.