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Finding the Fourth Proportional to 607,609.62, 838,475.82 and 349,467.03

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Solution

The fourth proportional to 607,609.62, 838,475.82 and 349,467.03 is: 482,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,609.62 : 838,475.82 = 349,467.03 : x
  2. Step 2: Convert to fraction form
    607,609.62/838,475.82 = 349,467.03/x
  3. Step 3: Cross multiply
    607,609.62x = 838,475.82 × 349,467.03
  4. Step 4: Simplify right side
    607,609.62x = 293,019,654,542.22
  5. Step 5: Solve for x
    x = 293,019,654,542.22/607,609.62
  6. Step 6: Final answer
    x = 482,249.86

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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.