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Finding the Fourth Proportional to 365,828.34, 548,763.63 and 141,189.94

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Solution

The fourth proportional to 365,828.34, 548,763.63 and 141,189.94 is: 211,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,828.34 : 548,763.63 = 141,189.94 : x
  2. Step 2: Convert to fraction form
    365,828.34/548,763.63 = 141,189.94/x
  3. Step 3: Cross multiply
    365,828.34x = 548,763.63 × 141,189.94
  4. Step 4: Simplify right side
    365,828.34x = 77,479,903,993.88
  5. Step 5: Solve for x
    x = 77,479,903,993.88/365,828.34
  6. Step 6: Final answer
    x = 211,793.06

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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.