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Finding the Fourth Proportional to 363,649.90, 545,475.28 and 110,917.02

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Solution

The fourth proportional to 363,649.90, 545,475.28 and 110,917.02 is: 166,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,649.90 : 545,475.28 = 110,917.02 : x
  2. Step 2: Convert to fraction form
    363,649.90/545,475.28 = 110,917.02/x
  3. Step 3: Cross multiply
    363,649.90x = 545,475.28 × 110,917.02
  4. Step 4: Simplify right side
    363,649.90x = 60,502,492,541.27
  5. Step 5: Solve for x
    x = 60,502,492,541.27/363,649.90
  6. Step 6: Final answer
    x = 166,375.66

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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.