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Finding the Fourth Proportional to 491,917.95, 737,877.24 and 379,762.02

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Solution

The fourth proportional to 491,917.95, 737,877.24 and 379,762.02 is: 569,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,917.95 : 737,877.24 = 379,762.02 : x
  2. Step 2: Convert to fraction form
    491,917.95/737,877.24 = 379,762.02/x
  3. Step 3: Cross multiply
    491,917.95x = 737,877.24 × 379,762.02
  4. Step 4: Simplify right side
    491,917.95x = 280,217,751,174.43
  5. Step 5: Solve for x
    x = 280,217,751,174.43/491,917.95
  6. Step 6: Final answer
    x = 569,643.27

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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.