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Finding the Fourth Proportional to 635,134.71, 876,463.22 and 359,486.65

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Solution

The fourth proportional to 635,134.71, 876,463.22 and 359,486.65 is: 496,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,134.71 : 876,463.22 = 359,486.65 : x
  2. Step 2: Convert to fraction form
    635,134.71/876,463.22 = 359,486.65/x
  3. Step 3: Cross multiply
    635,134.71x = 876,463.22 × 359,486.65
  4. Step 4: Simplify right side
    635,134.71x = 315,076,825,513.57
  5. Step 5: Solve for x
    x = 315,076,825,513.57/635,134.71
  6. Step 6: Final answer
    x = 496,078.74

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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.