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Finding the Fourth Proportional to 269,742.72, 372,384.84 and 197,064

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Solution

The fourth proportional to 269,742.72, 372,384.84 and 197,064 is: 272,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,742.72 : 372,384.84 = 197,064 : x
  2. Step 2: Convert to fraction form
    269,742.72/372,384.84 = 197,064/x
  3. Step 3: Cross multiply
    269,742.72x = 372,384.84 × 197,064
  4. Step 4: Simplify right side
    269,742.72x = 73,383,646,109.76
  5. Step 5: Solve for x
    x = 73,383,646,109.76/269,742.72
  6. Step 6: Final answer
    x = 272,050.52

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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.