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Finding the Fourth Proportional to 376,602.79, 519,737.30 and 206,838.67

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Solution

The fourth proportional to 376,602.79, 519,737.30 and 206,838.67 is: 285,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,602.79 : 519,737.30 = 206,838.67 : x
  2. Step 2: Convert to fraction form
    376,602.79/519,737.30 = 206,838.67/x
  3. Step 3: Cross multiply
    376,602.79x = 519,737.30 × 206,838.67
  4. Step 4: Simplify right side
    376,602.79x = 107,501,771,881.39
  5. Step 5: Solve for x
    x = 107,501,771,881.39/376,602.79
  6. Step 6: Final answer
    x = 285,451.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.