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Finding the Fourth Proportional to 482,174.40, 723,123.36 and 166,618.56

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Solution

The fourth proportional to 482,174.40, 723,123.36 and 166,618.56 is: 249,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,174.40 : 723,123.36 = 166,618.56 : x
  2. Step 2: Convert to fraction form
    482,174.40/723,123.36 = 166,618.56/x
  3. Step 3: Cross multiply
    482,174.40x = 723,123.36 × 166,618.56
  4. Step 4: Simplify right side
    482,174.40x = 120,485,772,945.56
  5. Step 5: Solve for x
    x = 120,485,772,945.56/482,174.40
  6. Step 6: Final answer
    x = 249,880.07

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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.