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Finding the Fourth Proportional to 347,096.44, 520,709.86 and 157,570.12

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Solution

The fourth proportional to 347,096.44, 520,709.86 and 157,570.12 is: 236,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,096.44 : 520,709.86 = 157,570.12 : x
  2. Step 2: Convert to fraction form
    347,096.44/520,709.86 = 157,570.12/x
  3. Step 3: Cross multiply
    347,096.44x = 520,709.86 × 157,570.12
  4. Step 4: Simplify right side
    347,096.44x = 82,048,315,125.38
  5. Step 5: Solve for x
    x = 82,048,315,125.38/347,096.44
  6. Step 6: Final answer
    x = 236,384.78

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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.