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Finding the Fourth Proportional to 395,878.33, 546,032.13 and 242,924.41

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Solution

The fourth proportional to 395,878.33, 546,032.13 and 242,924.41 is: 335,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,878.33 : 546,032.13 = 242,924.41 : x
  2. Step 2: Convert to fraction form
    395,878.33/546,032.13 = 242,924.41/x
  3. Step 3: Cross multiply
    395,878.33x = 546,032.13 × 242,924.41
  4. Step 4: Simplify right side
    395,878.33x = 132,644,530,291.13
  5. Step 5: Solve for x
    x = 132,644,530,291.13/395,878.33
  6. Step 6: Final answer
    x = 335,063.89

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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.