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Finding the Fourth Proportional to 339,302.48, 509,012.44 and 114,664.72

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Solution

The fourth proportional to 339,302.48, 509,012.44 and 114,664.72 is: 172,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,302.48 : 509,012.44 = 114,664.72 : x
  2. Step 2: Convert to fraction form
    339,302.48/509,012.44 = 114,664.72/x
  3. Step 3: Cross multiply
    339,302.48x = 509,012.44 × 114,664.72
  4. Step 4: Simplify right side
    339,302.48x = 58,365,768,909.12
  5. Step 5: Solve for x
    x = 58,365,768,909.12/339,302.48
  6. Step 6: Final answer
    x = 172,016.92

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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.