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Finding the Fourth Proportional to 548,840.80, 823,019.28 and 174,901.60

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Solution

The fourth proportional to 548,840.80, 823,019.28 and 174,901.60 is: 262,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,840.80 : 823,019.28 = 174,901.60 : x
  2. Step 2: Convert to fraction form
    548,840.80/823,019.28 = 174,901.60/x
  3. Step 3: Cross multiply
    548,840.80x = 823,019.28 × 174,901.60
  4. Step 4: Simplify right side
    548,840.80x = 143,947,388,902.85
  5. Step 5: Solve for x
    x = 143,947,388,902.85/548,840.80
  6. Step 6: Final answer
    x = 262,275.31

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1.5x scale

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.