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Finding the Fourth Proportional to 297,073.12, 445,498.80 and 119,520.16

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Solution

The fourth proportional to 297,073.12, 445,498.80 and 119,520.16 is: 179,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,073.12 : 445,498.80 = 119,520.16 : x
  2. Step 2: Convert to fraction form
    297,073.12/445,498.80 = 119,520.16/x
  3. Step 3: Cross multiply
    297,073.12x = 445,498.80 × 119,520.16
  4. Step 4: Simplify right side
    297,073.12x = 53,246,087,855.81
  5. Step 5: Solve for x
    x = 53,246,087,855.81/297,073.12
  6. Step 6: Final answer
    x = 179,235.63

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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.