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Finding the Fourth Proportional to 359,688.82, 539,416.41 and 119,738.26

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Solution

The fourth proportional to 359,688.82, 539,416.41 and 119,738.26 is: 179,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,688.82 : 539,416.41 = 119,738.26 : x
  2. Step 2: Convert to fraction form
    359,688.82/539,416.41 = 119,738.26/x
  3. Step 3: Cross multiply
    359,688.82x = 539,416.41 × 119,738.26
  4. Step 4: Simplify right side
    359,688.82x = 64,588,782,348.85
  5. Step 5: Solve for x
    x = 64,588,782,348.85/359,688.82
  6. Step 6: Final answer
    x = 179,568.50

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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.