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Finding the Fourth Proportional to 423,556.97, 584,549.22 and 242,233.49

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Solution

The fourth proportional to 423,556.97, 584,549.22 and 242,233.49 is: 334,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,556.97 : 584,549.22 = 242,233.49 : x
  2. Step 2: Convert to fraction form
    423,556.97/584,549.22 = 242,233.49/x
  3. Step 3: Cross multiply
    423,556.97x = 584,549.22 × 242,233.49
  4. Step 4: Simplify right side
    423,556.97x = 141,597,395,697.12
  5. Step 5: Solve for x
    x = 141,597,395,697.12/423,556.97
  6. Step 6: Final answer
    x = 334,305.43

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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.