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Finding the Fourth Proportional to 522,899.44, 721,601.24 and 296,544.96

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Solution

The fourth proportional to 522,899.44, 721,601.24 and 296,544.96 is: 409,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,899.44 : 721,601.24 = 296,544.96 : x
  2. Step 2: Convert to fraction form
    522,899.44/721,601.24 = 296,544.96/x
  3. Step 3: Cross multiply
    522,899.44x = 721,601.24 × 296,544.96
  4. Step 4: Simplify right side
    522,899.44x = 213,987,210,851.75
  5. Step 5: Solve for x
    x = 213,987,210,851.75/522,899.44
  6. Step 6: Final answer
    x = 409,232.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.