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Finding the Fourth Proportional to 347,345.34, 520,081.20 and 227,104.08

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Solution

The fourth proportional to 347,345.34, 520,081.20 and 227,104.08 is: 340,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,345.34 : 520,081.20 = 227,104.08 : x
  2. Step 2: Convert to fraction form
    347,345.34/520,081.20 = 227,104.08/x
  3. Step 3: Cross multiply
    347,345.34x = 520,081.20 × 227,104.08
  4. Step 4: Simplify right side
    347,345.34x = 118,112,562,451.30
  5. Step 5: Solve for x
    x = 118,112,562,451.30/347,345.34
  6. Step 6: Final answer
    x = 340,043.61

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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.