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Finding the Fourth Proportional to 347,798.44, 520,164.30 and 302,770.54

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Solution

The fourth proportional to 347,798.44, 520,164.30 and 302,770.54 is: 452,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,798.44 : 520,164.30 = 302,770.54 : x
  2. Step 2: Convert to fraction form
    347,798.44/520,164.30 = 302,770.54/x
  3. Step 3: Cross multiply
    347,798.44x = 520,164.30 × 302,770.54
  4. Step 4: Simplify right side
    347,798.44x = 157,490,425,999.72
  5. Step 5: Solve for x
    x = 157,490,425,999.72/347,798.44
  6. Step 6: Final answer
    x = 452,820.97

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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.