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Finding the Fourth Proportional to 477,558.83, 716,338.24 and 327,343.72

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Solution

The fourth proportional to 477,558.83, 716,338.24 and 327,343.72 is: 491,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,558.83 : 716,338.24 = 327,343.72 : x
  2. Step 2: Convert to fraction form
    477,558.83/716,338.24 = 327,343.72/x
  3. Step 3: Cross multiply
    477,558.83x = 716,338.24 × 327,343.72
  4. Step 4: Simplify right side
    477,558.83x = 234,488,824,259.85
  5. Step 5: Solve for x
    x = 234,488,824,259.85/477,558.83
  6. Step 6: Final answer
    x = 491,015.58

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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.