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Finding the Fourth Proportional to 474,205.74, 654,399.45 and 259,343.52

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Solution

The fourth proportional to 474,205.74, 654,399.45 and 259,343.52 is: 357,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,205.74 : 654,399.45 = 259,343.52 : x
  2. Step 2: Convert to fraction form
    474,205.74/654,399.45 = 259,343.52/x
  3. Step 3: Cross multiply
    474,205.74x = 654,399.45 × 259,343.52
  4. Step 4: Simplify right side
    474,205.74x = 169,714,256,849.06
  5. Step 5: Solve for x
    x = 169,714,256,849.06/474,205.74
  6. Step 6: Final answer
    x = 357,891.61

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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.