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Finding the Fourth Proportional to 359,411.08, 538,914.30 and 119,396.50

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Solution

The fourth proportional to 359,411.08, 538,914.30 and 119,396.50 is: 179,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,411.08 : 538,914.30 = 119,396.50 : x
  2. Step 2: Convert to fraction form
    359,411.08/538,914.30 = 119,396.50/x
  3. Step 3: Cross multiply
    359,411.08x = 538,914.30 × 119,396.50
  4. Step 4: Simplify right side
    359,411.08x = 64,344,481,219.95
  5. Step 5: Solve for x
    x = 64,344,481,219.95/359,411.08
  6. Step 6: Final answer
    x = 179,027.54

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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.