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Finding the Fourth Proportional to 484,092, 726,141.60 and 168,548.40

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Solution

The fourth proportional to 484,092, 726,141.60 and 168,548.40 is: 252,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,092 : 726,141.60 = 168,548.40 : x
  2. Step 2: Convert to fraction form
    484,092/726,141.60 = 168,548.40/x
  3. Step 3: Cross multiply
    484,092x = 726,141.60 × 168,548.40
  4. Step 4: Simplify right side
    484,092x = 122,390,004,853.44
  5. Step 5: Solve for x
    x = 122,390,004,853.44/484,092
  6. Step 6: Final answer
    x = 252,823.85

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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.