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Finding the Fourth Proportional to 339,483.80, 509,287.74 and 111,792.36

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Solution

The fourth proportional to 339,483.80, 509,287.74 and 111,792.36 is: 167,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,483.80 : 509,287.74 = 111,792.36 : x
  2. Step 2: Convert to fraction form
    339,483.80/509,287.74 = 111,792.36/x
  3. Step 3: Cross multiply
    339,483.80x = 509,287.74 × 111,792.36
  4. Step 4: Simplify right side
    339,483.80x = 56,934,478,373.67
  5. Step 5: Solve for x
    x = 56,934,478,373.67/339,483.80
  6. Step 6: Final answer
    x = 167,708.97

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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.