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Finding the Fourth Proportional to 655,640.04, 983,635.08 and 234,958.44

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Solution

The fourth proportional to 655,640.04, 983,635.08 and 234,958.44 is: 352,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,640.04 : 983,635.08 = 234,958.44 : x
  2. Step 2: Convert to fraction form
    655,640.04/983,635.08 = 234,958.44/x
  3. Step 3: Cross multiply
    655,640.04x = 983,635.08 × 234,958.44
  4. Step 4: Simplify right side
    655,640.04x = 231,113,363,926.08
  5. Step 5: Solve for x
    x = 231,113,363,926.08/655,640.04
  6. Step 6: Final answer
    x = 352,500.38

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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.