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Finding the Fourth Proportional to 654,577.47, 981,856.34 and 294,494.03

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Solution

The fourth proportional to 654,577.47, 981,856.34 and 294,494.03 is: 441,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,577.47 : 981,856.34 = 294,494.03 : x
  2. Step 2: Convert to fraction form
    654,577.47/981,856.34 = 294,494.03/x
  3. Step 3: Cross multiply
    654,577.47x = 981,856.34 × 294,494.03
  4. Step 4: Simplify right side
    654,577.47x = 289,150,830,447.65
  5. Step 5: Solve for x
    x = 289,150,830,447.65/654,577.47
  6. Step 6: Final answer
    x = 441,736.61

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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.