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Finding the Fourth Proportional to 635,623.98, 877,166.31 and 349,150.47

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Solution

The fourth proportional to 635,623.98, 877,166.31 and 349,150.47 is: 481,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,623.98 : 877,166.31 = 349,150.47 : x
  2. Step 2: Convert to fraction form
    635,623.98/877,166.31 = 349,150.47/x
  3. Step 3: Cross multiply
    635,623.98x = 877,166.31 × 349,150.47
  4. Step 4: Simplify right side
    635,623.98x = 306,263,025,018.83
  5. Step 5: Solve for x
    x = 306,263,025,018.83/635,623.98
  6. Step 6: Final answer
    x = 481,830.51

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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.