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Finding the Fourth Proportional to 297,947.80, 446,921.70 and 265,288.60

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Solution

The fourth proportional to 297,947.80, 446,921.70 and 265,288.60 is: 397,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,947.80 : 446,921.70 = 265,288.60 : x
  2. Step 2: Convert to fraction form
    297,947.80/446,921.70 = 265,288.60/x
  3. Step 3: Cross multiply
    297,947.80x = 446,921.70 × 265,288.60
  4. Step 4: Simplify right side
    297,947.80x = 118,563,232,102.62
  5. Step 5: Solve for x
    x = 118,563,232,102.62/297,947.80
  6. Step 6: Final answer
    x = 397,932.90

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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.