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Finding the Fourth Proportional to 635,751.72, 877,333.70 and 349,265.64

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Solution

The fourth proportional to 635,751.72, 877,333.70 and 349,265.64 is: 481,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,751.72 : 877,333.70 = 349,265.64 : x
  2. Step 2: Convert to fraction form
    635,751.72/877,333.70 = 349,265.64/x
  3. Step 3: Cross multiply
    635,751.72x = 877,333.70 × 349,265.64
  4. Step 4: Simplify right side
    635,751.72x = 306,422,516,224.07
  5. Step 5: Solve for x
    x = 306,422,516,224.07/635,751.72
  6. Step 6: Final answer
    x = 481,984.57

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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.