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Finding the Fourth Proportional to 654,750.64, 981,793.74 and 299,460.22

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Solution

The fourth proportional to 654,750.64, 981,793.74 and 299,460.22 is: 449,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,750.64 : 981,793.74 = 299,460.22 : x
  2. Step 2: Convert to fraction form
    654,750.64/981,793.74 = 299,460.22/x
  3. Step 3: Cross multiply
    654,750.64x = 981,793.74 × 299,460.22
  4. Step 4: Simplify right side
    654,750.64x = 294,008,169,375.02
  5. Step 5: Solve for x
    x = 294,008,169,375.02/654,750.64
  6. Step 6: Final answer
    x = 449,038.38

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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.