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Finding the Fourth Proportional to 347,520.34, 521,323.44 and 122,834.44

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Solution

The fourth proportional to 347,520.34, 521,323.44 and 122,834.44 is: 184,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,520.34 : 521,323.44 = 122,834.44 : x
  2. Step 2: Convert to fraction form
    347,520.34/521,323.44 = 122,834.44/x
  3. Step 3: Cross multiply
    347,520.34x = 521,323.44 × 122,834.44
  4. Step 4: Simplify right side
    347,520.34x = 64,036,473,693.24
  5. Step 5: Solve for x
    x = 64,036,473,693.24/347,520.34
  6. Step 6: Final answer
    x = 184,266.84

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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.