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Finding the Fourth Proportional to 292,645.94, 438,936.98 and 198,481.01

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Solution

The fourth proportional to 292,645.94, 438,936.98 and 198,481.01 is: 297,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,645.94 : 438,936.98 = 198,481.01 : x
  2. Step 2: Convert to fraction form
    292,645.94/438,936.98 = 198,481.01/x
  3. Step 3: Cross multiply
    292,645.94x = 438,936.98 × 198,481.01
  4. Step 4: Simplify right side
    292,645.94x = 87,120,651,929.66
  5. Step 5: Solve for x
    x = 87,120,651,929.66/292,645.94
  6. Step 6: Final answer
    x = 297,699.85

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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.