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Finding the Fourth Proportional to 363,203.78, 544,805.66 and 163,486.94

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Solution

The fourth proportional to 363,203.78, 544,805.66 and 163,486.94 is: 245,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,203.78 : 544,805.66 = 163,486.94 : x
  2. Step 2: Convert to fraction form
    363,203.78/544,805.66 = 163,486.94/x
  3. Step 3: Cross multiply
    363,203.78x = 544,805.66 × 163,486.94
  4. Step 4: Simplify right side
    363,203.78x = 89,068,610,248.08
  5. Step 5: Solve for x
    x = 89,068,610,248.08/363,203.78
  6. Step 6: Final answer
    x = 245,230.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.