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Finding the Fourth Proportional to 339,549.22, 509,007.27 and 114,752.47

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Solution

The fourth proportional to 339,549.22, 509,007.27 and 114,752.47 is: 172,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,549.22 : 509,007.27 = 114,752.47 : x
  2. Step 2: Convert to fraction form
    339,549.22/509,007.27 = 114,752.47/x
  3. Step 3: Cross multiply
    339,549.22x = 509,007.27 × 114,752.47
  4. Step 4: Simplify right side
    339,549.22x = 58,409,841,480.46
  5. Step 5: Solve for x
    x = 58,409,841,480.46/339,549.22
  6. Step 6: Final answer
    x = 172,021.72

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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.