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Finding the Fourth Proportional to 368,082.45, 552,123.68 and 368,082.45

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Solution

The fourth proportional to 368,082.45, 552,123.68 and 368,082.45 is: 552,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,082.45 : 552,123.68 = 368,082.45 : x
  2. Step 2: Convert to fraction form
    368,082.45/552,123.68 = 368,082.45/x
  3. Step 3: Cross multiply
    368,082.45x = 552,123.68 × 368,082.45
  4. Step 4: Simplify right side
    368,082.45x = 203,227,034,997.00
  5. Step 5: Solve for x
    x = 203,227,034,997.00/368,082.45
  6. Step 6: Final answer
    x = 552,123.68

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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.