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Finding the Fourth Proportional to 484,744.80, 726,512.40 and 248,181.60

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Solution

The fourth proportional to 484,744.80, 726,512.40 and 248,181.60 is: 371,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,744.80 : 726,512.40 = 248,181.60 : x
  2. Step 2: Convert to fraction form
    484,744.80/726,512.40 = 248,181.60/x
  3. Step 3: Cross multiply
    484,744.80x = 726,512.40 × 248,181.60
  4. Step 4: Simplify right side
    484,744.80x = 180,307,009,851.84
  5. Step 5: Solve for x
    x = 180,307,009,851.84/484,744.80
  6. Step 6: Final answer
    x = 371,962.75

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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.