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Finding the Fourth Proportional to 394,599.06, 544,545.99 and 213,311.10

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Solution

The fourth proportional to 394,599.06, 544,545.99 and 213,311.10 is: 294,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,599.06 : 544,545.99 = 213,311.10 : x
  2. Step 2: Convert to fraction form
    394,599.06/544,545.99 = 213,311.10/x
  3. Step 3: Cross multiply
    394,599.06x = 544,545.99 × 213,311.10
  4. Step 4: Simplify right side
    394,599.06x = 116,157,704,127.49
  5. Step 5: Solve for x
    x = 116,157,704,127.49/394,599.06
  6. Step 6: Final answer
    x = 294,368.93

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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.