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Finding the Fourth Proportional to 637,611.84, 956,195.28 and 188,213.76

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Solution

The fourth proportional to 637,611.84, 956,195.28 and 188,213.76 is: 282,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,611.84 : 956,195.28 = 188,213.76 : x
  2. Step 2: Convert to fraction form
    637,611.84/956,195.28 = 188,213.76/x
  3. Step 3: Cross multiply
    637,611.84x = 956,195.28 × 188,213.76
  4. Step 4: Simplify right side
    637,611.84x = 179,969,108,943.05
  5. Step 5: Solve for x
    x = 179,969,108,943.05/637,611.84
  6. Step 6: Final answer
    x = 282,254.97

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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.