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Finding the Fourth Proportional to 297,080.92, 409,950.48 and 168,018.76

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Solution

The fourth proportional to 297,080.92, 409,950.48 and 168,018.76 is: 231,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,080.92 : 409,950.48 = 168,018.76 : x
  2. Step 2: Convert to fraction form
    297,080.92/409,950.48 = 168,018.76/x
  3. Step 3: Cross multiply
    297,080.92x = 409,950.48 × 168,018.76
  4. Step 4: Simplify right side
    297,080.92x = 68,879,371,311.00
  5. Step 5: Solve for x
    x = 68,879,371,311.00/297,080.92
  6. Step 6: Final answer
    x = 231,853.90

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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.