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Finding the Fourth Proportional to 635,382.48, 876,842.10 and 348,903.84

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Solution

The fourth proportional to 635,382.48, 876,842.10 and 348,903.84 is: 481,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,382.48 : 876,842.10 = 348,903.84 : x
  2. Step 2: Convert to fraction form
    635,382.48/876,842.10 = 348,903.84/x
  3. Step 3: Cross multiply
    635,382.48x = 876,842.10 × 348,903.84
  4. Step 4: Simplify right side
    635,382.48x = 305,933,575,763.66
  5. Step 5: Solve for x
    x = 305,933,575,763.66/635,382.48
  6. Step 6: Final answer
    x = 481,495.14

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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.