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Finding the Fourth Proportional to 481,362.40, 721,844.88 and 181,792

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Solution

The fourth proportional to 481,362.40, 721,844.88 and 181,792 is: 272,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,362.40 : 721,844.88 = 181,792 : x
  2. Step 2: Convert to fraction form
    481,362.40/721,844.88 = 181,792/x
  3. Step 3: Cross multiply
    481,362.40x = 721,844.88 × 181,792
  4. Step 4: Simplify right side
    481,362.40x = 131,225,624,424.96
  5. Step 5: Solve for x
    x = 131,225,624,424.96/481,362.40
  6. Step 6: Final answer
    x = 272,612.95

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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.