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Finding the Fourth Proportional to 354,747.36, 532,120.96 and 236,649.28

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Solution

The fourth proportional to 354,747.36, 532,120.96 and 236,649.28 is: 354,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,747.36 : 532,120.96 = 236,649.28 : x
  2. Step 2: Convert to fraction form
    354,747.36/532,120.96 = 236,649.28/x
  3. Step 3: Cross multiply
    354,747.36x = 532,120.96 × 236,649.28
  4. Step 4: Simplify right side
    354,747.36x = 125,926,042,056.91
  5. Step 5: Solve for x
    x = 125,926,042,056.91/354,747.36
  6. Step 6: Final answer
    x = 354,973.87

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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.