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Finding the Fourth Proportional to 635,274.16, 876,563.96 and 359,630.16

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Solution

The fourth proportional to 635,274.16, 876,563.96 and 359,630.16 is: 496,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,274.16 : 876,563.96 = 359,630.16 : x
  2. Step 2: Convert to fraction form
    635,274.16/876,563.96 = 359,630.16/x
  3. Step 3: Cross multiply
    635,274.16x = 876,563.96 × 359,630.16
  4. Step 4: Simplify right side
    635,274.16x = 315,238,837,185.03
  5. Step 5: Solve for x
    x = 315,238,837,185.03/635,274.16
  6. Step 6: Final answer
    x = 496,224.87

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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.