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Finding the Fourth Proportional to 297,437.30, 445,244.70 and 163,908.80

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Solution

The fourth proportional to 297,437.30, 445,244.70 and 163,908.80 is: 245,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,437.30 : 445,244.70 = 163,908.80 : x
  2. Step 2: Convert to fraction form
    297,437.30/445,244.70 = 163,908.80/x
  3. Step 3: Cross multiply
    297,437.30x = 445,244.70 × 163,908.80
  4. Step 4: Simplify right side
    297,437.30x = 72,979,524,483.36
  5. Step 5: Solve for x
    x = 72,979,524,483.36/297,437.30
  6. Step 6: Final answer
    x = 245,361.04

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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.