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Finding the Fourth Proportional to 548,879.16, 823,203.54 and 154,803

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Solution

The fourth proportional to 548,879.16, 823,203.54 and 154,803 is: 232,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,879.16 : 823,203.54 = 154,803 : x
  2. Step 2: Convert to fraction form
    548,879.16/823,203.54 = 154,803/x
  3. Step 3: Cross multiply
    548,879.16x = 823,203.54 × 154,803
  4. Step 4: Simplify right side
    548,879.16x = 127,434,377,602.62
  5. Step 5: Solve for x
    x = 127,434,377,602.62/548,879.16
  6. Step 6: Final answer
    x = 232,172.01

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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.