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Finding the Fourth Proportional to 395,967.86, 546,428.94 and 223,882.94

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Solution

The fourth proportional to 395,967.86, 546,428.94 and 223,882.94 is: 308,954.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,967.86 : 546,428.94 = 223,882.94 : x
  2. Step 2: Convert to fraction form
    395,967.86/546,428.94 = 223,882.94/x
  3. Step 3: Cross multiply
    395,967.86x = 546,428.94 × 223,882.94
  4. Step 4: Simplify right side
    395,967.86x = 122,336,117,588.28
  5. Step 5: Solve for x
    x = 122,336,117,588.28/395,967.86
  6. Step 6: Final answer
    x = 308,954.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.