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Finding the Fourth Proportional to 635,073.09, 876,401.69 and 344,684.64

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Solution

The fourth proportional to 635,073.09, 876,401.69 and 344,684.64 is: 475,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,073.09 : 876,401.69 = 344,684.64 : x
  2. Step 2: Convert to fraction form
    635,073.09/876,401.69 = 344,684.64/x
  3. Step 3: Cross multiply
    635,073.09x = 876,401.69 × 344,684.64
  4. Step 4: Simplify right side
    635,073.09x = 302,082,200,554.64
  5. Step 5: Solve for x
    x = 302,082,200,554.64/635,073.09
  6. Step 6: Final answer
    x = 475,665.25

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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.