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Finding the Fourth Proportional to 548,703.12, 823,133.56 and 169,653.40

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Solution

The fourth proportional to 548,703.12, 823,133.56 and 169,653.40 is: 254,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,703.12 : 823,133.56 = 169,653.40 : x
  2. Step 2: Convert to fraction form
    548,703.12/823,133.56 = 169,653.40/x
  3. Step 3: Cross multiply
    548,703.12x = 823,133.56 × 169,653.40
  4. Step 4: Simplify right side
    548,703.12x = 139,647,407,108.10
  5. Step 5: Solve for x
    x = 139,647,407,108.10/548,703.12
  6. Step 6: Final answer
    x = 254,504.49

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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.