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Finding the Fourth Proportional to 635,668.50, 877,222.53 and 349,193.37

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Solution

The fourth proportional to 635,668.50, 877,222.53 and 349,193.37 is: 481,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,668.50 : 877,222.53 = 349,193.37 : x
  2. Step 2: Convert to fraction form
    635,668.50/877,222.53 = 349,193.37/x
  3. Step 3: Cross multiply
    635,668.50x = 877,222.53 × 349,193.37
  4. Step 4: Simplify right side
    635,668.50x = 306,320,291,490.63
  5. Step 5: Solve for x
    x = 306,320,291,490.63/635,668.50
  6. Step 6: Final answer
    x = 481,886.85

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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.