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Finding the Fourth Proportional to 481,955.88, 722,928.57 and 197,583

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Solution

The fourth proportional to 481,955.88, 722,928.57 and 197,583 is: 296,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,955.88 : 722,928.57 = 197,583 : x
  2. Step 2: Convert to fraction form
    481,955.88/722,928.57 = 197,583/x
  3. Step 3: Cross multiply
    481,955.88x = 722,928.57 × 197,583
  4. Step 4: Simplify right side
    481,955.88x = 142,838,395,646.31
  5. Step 5: Solve for x
    x = 142,838,395,646.31/481,955.88
  6. Step 6: Final answer
    x = 296,372.35

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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.