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Finding the Fourth Proportional to 484,428.60, 726,351.30 and 248,232.60

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Solution

The fourth proportional to 484,428.60, 726,351.30 and 248,232.60 is: 372,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,428.60 : 726,351.30 = 248,232.60 : x
  2. Step 2: Convert to fraction form
    484,428.60/726,351.30 = 248,232.60/x
  3. Step 3: Cross multiply
    484,428.60x = 726,351.30 × 248,232.60
  4. Step 4: Simplify right side
    484,428.60x = 180,304,071,712.38
  5. Step 5: Solve for x
    x = 180,304,071,712.38/484,428.60
  6. Step 6: Final answer
    x = 372,199.48

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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.