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Finding the Fourth Proportional to 431,847.88, 595,497.90 and 371,622.76

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Solution

The fourth proportional to 431,847.88, 595,497.90 and 371,622.76 is: 512,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,847.88 : 595,497.90 = 371,622.76 : x
  2. Step 2: Convert to fraction form
    431,847.88/595,497.90 = 371,622.76/x
  3. Step 3: Cross multiply
    431,847.88x = 595,497.90 × 371,622.76
  4. Step 4: Simplify right side
    431,847.88x = 221,300,573,172.20
  5. Step 5: Solve for x
    x = 221,300,573,172.20/431,847.88
  6. Step 6: Final answer
    x = 512,450.29

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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.