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Finding the Fourth Proportional to 376,665.36, 564,998.05 and 166,261.38

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Solution

The fourth proportional to 376,665.36, 564,998.05 and 166,261.38 is: 249,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,665.36 : 564,998.05 = 166,261.38 : x
  2. Step 2: Convert to fraction form
    376,665.36/564,998.05 = 166,261.38/x
  3. Step 3: Cross multiply
    376,665.36x = 564,998.05 × 166,261.38
  4. Step 4: Simplify right side
    376,665.36x = 93,937,353,579.39
  5. Step 5: Solve for x
    x = 93,937,353,579.39/376,665.36
  6. Step 6: Final answer
    x = 249,392.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.