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Finding the Fourth Proportional to 474,684.48, 655,064.10 and 259,822.62

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Solution

The fourth proportional to 474,684.48, 655,064.10 and 259,822.62 is: 358,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,684.48 : 655,064.10 = 259,822.62 : x
  2. Step 2: Convert to fraction form
    474,684.48/655,064.10 = 259,822.62/x
  3. Step 3: Cross multiply
    474,684.48x = 655,064.10 × 259,822.62
  4. Step 4: Simplify right side
    474,684.48x = 170,200,470,729.94
  5. Step 5: Solve for x
    x = 170,200,470,729.94/474,684.48
  6. Step 6: Final answer
    x = 358,554.95

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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.