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Finding the Fourth Proportional to 339,340.60, 509,073.44 and 111,649.02

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Solution

The fourth proportional to 339,340.60, 509,073.44 and 111,649.02 is: 167,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,340.60 : 509,073.44 = 111,649.02 : x
  2. Step 2: Convert to fraction form
    339,340.60/509,073.44 = 111,649.02/x
  3. Step 3: Cross multiply
    339,340.60x = 509,073.44 × 111,649.02
  4. Step 4: Simplify right side
    339,340.60x = 56,837,550,684.03
  5. Step 5: Solve for x
    x = 56,837,550,684.03/339,340.60
  6. Step 6: Final answer
    x = 167,494.11

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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.