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Finding the Fourth Proportional to 483,969.60, 726,170.40 and 168,652.80

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Solution

The fourth proportional to 483,969.60, 726,170.40 and 168,652.80 is: 253,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,969.60 : 726,170.40 = 168,652.80 : x
  2. Step 2: Convert to fraction form
    483,969.60/726,170.40 = 168,652.80/x
  3. Step 3: Cross multiply
    483,969.60x = 726,170.40 × 168,652.80
  4. Step 4: Simplify right side
    483,969.60x = 122,470,671,237.12
  5. Step 5: Solve for x
    x = 122,470,671,237.12/483,969.60
  6. Step 6: Final answer
    x = 253,054.47

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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.