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Finding the Fourth Proportional to 635,734.04, 877,313.33 and 349,272.57

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Solution

The fourth proportional to 635,734.04, 877,313.33 and 349,272.57 is: 481,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,734.04 : 877,313.33 = 349,272.57 : x
  2. Step 2: Convert to fraction form
    635,734.04/877,313.33 = 349,272.57/x
  3. Step 3: Cross multiply
    635,734.04x = 877,313.33 × 349,272.57
  4. Step 4: Simplify right side
    635,734.04x = 306,421,479,718.00
  5. Step 5: Solve for x
    x = 306,421,479,718.00/635,734.04
  6. Step 6: Final answer
    x = 481,996.34

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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.