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Finding the Fourth Proportional to 397,182.94, 548,108.30 and 295,662.40

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Solution

The fourth proportional to 397,182.94, 548,108.30 and 295,662.40 is: 408,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,182.94 : 548,108.30 = 295,662.40 : x
  2. Step 2: Convert to fraction form
    397,182.94/548,108.30 = 295,662.40/x
  3. Step 3: Cross multiply
    397,182.94x = 548,108.30 × 295,662.40
  4. Step 4: Simplify right side
    397,182.94x = 162,055,015,437.92
  5. Step 5: Solve for x
    x = 162,055,015,437.92/397,182.94
  6. Step 6: Final answer
    x = 408,011.02

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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.