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Finding the Fourth Proportional to 635,126.04, 876,470.48 and 348,651

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Solution

The fourth proportional to 635,126.04, 876,470.48 and 348,651 is: 481,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,126.04 : 876,470.48 = 348,651 : x
  2. Step 2: Convert to fraction form
    635,126.04/876,470.48 = 348,651/x
  3. Step 3: Cross multiply
    635,126.04x = 876,470.48 × 348,651
  4. Step 4: Simplify right side
    635,126.04x = 305,582,309,322.48
  5. Step 5: Solve for x
    x = 305,582,309,322.48/635,126.04
  6. Step 6: Final answer
    x = 481,136.48

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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.