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Finding the Fourth Proportional to 624,575.22, 862,410.69 and 576,811.14

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Solution

The fourth proportional to 624,575.22, 862,410.69 and 576,811.14 is: 796,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,575.22 : 862,410.69 = 576,811.14 : x
  2. Step 2: Convert to fraction form
    624,575.22/862,410.69 = 576,811.14/x
  3. Step 3: Cross multiply
    624,575.22x = 862,410.69 × 576,811.14
  4. Step 4: Simplify right side
    624,575.22x = 497,448,093,247.09
  5. Step 5: Solve for x
    x = 497,448,093,247.09/624,575.22
  6. Step 6: Final answer
    x = 796,458.26

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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.