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Finding the Fourth Proportional to 633,755.58, 874,586.16 and 343,371.86

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Solution

The fourth proportional to 633,755.58, 874,586.16 and 343,371.86 is: 473,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,755.58 : 874,586.16 = 343,371.86 : x
  2. Step 2: Convert to fraction form
    633,755.58/874,586.16 = 343,371.86/x
  3. Step 3: Cross multiply
    633,755.58x = 874,586.16 × 343,371.86
  4. Step 4: Simplify right side
    633,755.58x = 300,308,276,489.46
  5. Step 5: Solve for x
    x = 300,308,276,489.46/633,755.58
  6. Step 6: Final answer
    x = 473,855.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.