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Finding the Fourth Proportional to 474,650.43, 655,019.10 and 259,804.41

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Solution

The fourth proportional to 474,650.43, 655,019.10 and 259,804.41 is: 358,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,650.43 : 655,019.10 = 259,804.41 : x
  2. Step 2: Convert to fraction form
    474,650.43/655,019.10 = 259,804.41/x
  3. Step 3: Cross multiply
    474,650.43x = 655,019.10 × 259,804.41
  4. Step 4: Simplify right side
    474,650.43x = 170,176,850,814.23
  5. Step 5: Solve for x
    x = 170,176,850,814.23/474,650.43
  6. Step 6: Final answer
    x = 358,530.91

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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.