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Finding the Fourth Proportional to 548,550.31, 757,069.46 and 306,846.31

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Solution

The fourth proportional to 548,550.31, 757,069.46 and 306,846.31 is: 423,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,550.31 : 757,069.46 = 306,846.31 : x
  2. Step 2: Convert to fraction form
    548,550.31/757,069.46 = 306,846.31/x
  3. Step 3: Cross multiply
    548,550.31x = 757,069.46 × 306,846.31
  4. Step 4: Simplify right side
    548,550.31x = 232,303,970,214.69
  5. Step 5: Solve for x
    x = 232,303,970,214.69/548,550.31
  6. Step 6: Final answer
    x = 423,487.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.