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Finding the Fourth Proportional to 635,628.66, 876,953.97 and 359,948.94

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Solution

The fourth proportional to 635,628.66, 876,953.97 and 359,948.94 is: 496,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,628.66 : 876,953.97 = 359,948.94 : x
  2. Step 2: Convert to fraction form
    635,628.66/876,953.97 = 359,948.94/x
  3. Step 3: Cross multiply
    635,628.66x = 876,953.97 × 359,948.94
  4. Step 4: Simplify right side
    635,628.66x = 315,658,651,930.29
  5. Step 5: Solve for x
    x = 315,658,651,930.29/635,628.66
  6. Step 6: Final answer
    x = 496,608.59

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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.