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Finding the Fourth Proportional to 655,428.34, 983,142.06 and 182,113.48

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Solution

The fourth proportional to 655,428.34, 983,142.06 and 182,113.48 is: 273,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,428.34 : 983,142.06 = 182,113.48 : x
  2. Step 2: Convert to fraction form
    655,428.34/983,142.06 = 182,113.48/x
  3. Step 3: Cross multiply
    655,428.34x = 983,142.06 × 182,113.48
  4. Step 4: Simplify right side
    655,428.34x = 179,043,421,880.97
  5. Step 5: Solve for x
    x = 179,043,421,880.97/655,428.34
  6. Step 6: Final answer
    x = 273,170.09

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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.