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Finding the Fourth Proportional to 635,483.44, 876,982.42 and 349,009.72

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Solution

The fourth proportional to 635,483.44, 876,982.42 and 349,009.72 is: 481,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,483.44 : 876,982.42 = 349,009.72 : x
  2. Step 2: Convert to fraction form
    635,483.44/876,982.42 = 349,009.72/x
  3. Step 3: Cross multiply
    635,483.44x = 876,982.42 × 349,009.72
  4. Step 4: Simplify right side
    635,483.44x = 306,075,388,849.12
  5. Step 5: Solve for x
    x = 306,075,388,849.12/635,483.44
  6. Step 6: Final answer
    x = 481,641.80

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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.