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Finding the Fourth Proportional to 347,342.46, 520,905.96 and 122,651.16

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Solution

The fourth proportional to 347,342.46, 520,905.96 and 122,651.16 is: 183,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,342.46 : 520,905.96 = 122,651.16 : x
  2. Step 2: Convert to fraction form
    347,342.46/520,905.96 = 122,651.16/x
  3. Step 3: Cross multiply
    347,342.46x = 520,905.96 × 122,651.16
  4. Step 4: Simplify right side
    347,342.46x = 63,889,720,244.91
  5. Step 5: Solve for x
    x = 63,889,720,244.91/347,342.46
  6. Step 6: Final answer
    x = 183,938.70

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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.