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Finding the Fourth Proportional to 349,233.92, 481,929.92 and 213,495.20

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Solution

The fourth proportional to 349,233.92, 481,929.92 and 213,495.20 is: 294,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,233.92 : 481,929.92 = 213,495.20 : x
  2. Step 2: Convert to fraction form
    349,233.92/481,929.92 = 213,495.20/x
  3. Step 3: Cross multiply
    349,233.92x = 481,929.92 × 213,495.20
  4. Step 4: Simplify right side
    349,233.92x = 102,889,724,656.38
  5. Step 5: Solve for x
    x = 102,889,724,656.38/349,233.92
  6. Step 6: Final answer
    x = 294,615.50

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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.