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Finding the Fourth Proportional to 601,388.12, 829,600.96 and 371,872.04

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Solution

The fourth proportional to 601,388.12, 829,600.96 and 371,872.04 is: 512,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,388.12 : 829,600.96 = 371,872.04 : x
  2. Step 2: Convert to fraction form
    601,388.12/829,600.96 = 371,872.04/x
  3. Step 3: Cross multiply
    601,388.12x = 829,600.96 × 371,872.04
  4. Step 4: Simplify right side
    601,388.12x = 308,505,401,381.16
  5. Step 5: Solve for x
    x = 308,505,401,381.16/601,388.12
  6. Step 6: Final answer
    x = 512,988.85

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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.