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Finding the Fourth Proportional to 264,499.38, 396,697.40 and 84,536.53

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Solution

The fourth proportional to 264,499.38, 396,697.40 and 84,536.53 is: 126,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,499.38 : 396,697.40 = 84,536.53 : x
  2. Step 2: Convert to fraction form
    264,499.38/396,697.40 = 84,536.53/x
  3. Step 3: Cross multiply
    264,499.38x = 396,697.40 × 84,536.53
  4. Step 4: Simplify right side
    264,499.38x = 33,535,421,656.02
  5. Step 5: Solve for x
    x = 33,535,421,656.02/264,499.38
  6. Step 6: Final answer
    x = 126,788.28

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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.