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Finding the Fourth Proportional to 435,174.54, 652,748.07 and 119,628.78

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Solution

The fourth proportional to 435,174.54, 652,748.07 and 119,628.78 is: 179,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,174.54 : 652,748.07 = 119,628.78 : x
  2. Step 2: Convert to fraction form
    435,174.54/652,748.07 = 119,628.78/x
  3. Step 3: Cross multiply
    435,174.54x = 652,748.07 × 119,628.78
  4. Step 4: Simplify right side
    435,174.54x = 78,087,455,261.45
  5. Step 5: Solve for x
    x = 78,087,455,261.45/435,174.54
  6. Step 6: Final answer
    x = 179,439.39

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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.