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Finding the Fourth Proportional to 296,999.80, 445,499.70 and 119,634.10

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Solution

The fourth proportional to 296,999.80, 445,499.70 and 119,634.10 is: 179,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,999.80 : 445,499.70 = 119,634.10 : x
  2. Step 2: Convert to fraction form
    296,999.80/445,499.70 = 119,634.10/x
  3. Step 3: Cross multiply
    296,999.80x = 445,499.70 × 119,634.10
  4. Step 4: Simplify right side
    296,999.80x = 53,296,955,659.77
  5. Step 5: Solve for x
    x = 53,296,955,659.77/296,999.80
  6. Step 6: Final answer
    x = 179,451.15

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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.