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Finding the Fourth Proportional to 368,061.98, 507,863.35 and 206,895.58

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Solution

The fourth proportional to 368,061.98, 507,863.35 and 206,895.58 is: 285,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,061.98 : 507,863.35 = 206,895.58 : x
  2. Step 2: Convert to fraction form
    368,061.98/507,863.35 = 206,895.58/x
  3. Step 3: Cross multiply
    368,061.98x = 507,863.35 × 206,895.58
  4. Step 4: Simplify right side
    368,061.98x = 105,074,682,358.99
  5. Step 5: Solve for x
    x = 105,074,682,358.99/368,061.98
  6. Step 6: Final answer
    x = 285,480.95

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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.