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Finding the Fourth Proportional to 635,084.28, 876,412.98 and 348,609.24

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Solution

The fourth proportional to 635,084.28, 876,412.98 and 348,609.24 is: 481,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,084.28 : 876,412.98 = 348,609.24 : x
  2. Step 2: Convert to fraction form
    635,084.28/876,412.98 = 348,609.24/x
  3. Step 3: Cross multiply
    635,084.28x = 876,412.98 × 348,609.24
  4. Step 4: Simplify right side
    635,084.28x = 305,525,662,883.94
  5. Step 5: Solve for x
    x = 305,525,662,883.94/635,084.28
  6. Step 6: Final answer
    x = 481,078.93

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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.