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Finding the Fourth Proportional to 377,663.55, 566,363.28 and 111,353.37

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Solution

The fourth proportional to 377,663.55, 566,363.28 and 111,353.37 is: 166,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,663.55 : 566,363.28 = 111,353.37 : x
  2. Step 2: Convert to fraction form
    377,663.55/566,363.28 = 111,353.37/x
  3. Step 3: Cross multiply
    377,663.55x = 566,363.28 × 111,353.37
  4. Step 4: Simplify right side
    377,663.55x = 63,066,459,872.25
  5. Step 5: Solve for x
    x = 63,066,459,872.25/377,663.55
  6. Step 6: Final answer
    x = 166,991.12

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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.