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Finding the Fourth Proportional to 655,435.49, 983,206.58 and 182,120.90

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Solution

The fourth proportional to 655,435.49, 983,206.58 and 182,120.90 is: 273,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,435.49 : 983,206.58 = 182,120.90 : x
  2. Step 2: Convert to fraction form
    655,435.49/983,206.58 = 182,120.90/x
  3. Step 3: Cross multiply
    655,435.49x = 983,206.58 × 182,120.90
  4. Step 4: Simplify right side
    655,435.49x = 179,062,461,408.89
  5. Step 5: Solve for x
    x = 179,062,461,408.89/655,435.49
  6. Step 6: Final answer
    x = 273,196.17

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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.