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Finding the Fourth Proportional to 481,957.84, 722,770 and 197,567.64

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Solution

The fourth proportional to 481,957.84, 722,770 and 197,567.64 is: 296,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,957.84 : 722,770 = 197,567.64 : x
  2. Step 2: Convert to fraction form
    481,957.84/722,770 = 197,567.64/x
  3. Step 3: Cross multiply
    481,957.84x = 722,770 × 197,567.64
  4. Step 4: Simplify right side
    481,957.84x = 142,795,963,162.80
  5. Step 5: Solve for x
    x = 142,795,963,162.80/481,957.84
  6. Step 6: Final answer
    x = 296,283.10

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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.