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Finding the Fourth Proportional to 483,937.80, 725,906.70 and 146,977.80

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Solution

The fourth proportional to 483,937.80, 725,906.70 and 146,977.80 is: 220,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,937.80 : 725,906.70 = 146,977.80 : x
  2. Step 2: Convert to fraction form
    483,937.80/725,906.70 = 146,977.80/x
  3. Step 3: Cross multiply
    483,937.80x = 725,906.70 × 146,977.80
  4. Step 4: Simplify right side
    483,937.80x = 106,692,169,771.26
  5. Step 5: Solve for x
    x = 106,692,169,771.26/483,937.80
  6. Step 6: Final answer
    x = 220,466.70

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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.