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Finding the Fourth Proportional to 376,076.18, 563,583.86 and 207,672.32

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Solution

The fourth proportional to 376,076.18, 563,583.86 and 207,672.32 is: 311,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,076.18 : 563,583.86 = 207,672.32 : x
  2. Step 2: Convert to fraction form
    376,076.18/563,583.86 = 207,672.32/x
  3. Step 3: Cross multiply
    376,076.18x = 563,583.86 × 207,672.32
  4. Step 4: Simplify right side
    376,076.18x = 117,040,767,720.76
  5. Step 5: Solve for x
    x = 117,040,767,720.76/376,076.18
  6. Step 6: Final answer
    x = 311,215.58

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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.