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Finding the Fourth Proportional to 577,069.63, 796,578.23 and 516,533.47

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Solution

The fourth proportional to 577,069.63, 796,578.23 and 516,533.47 is: 713,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,069.63 : 796,578.23 = 516,533.47 : x
  2. Step 2: Convert to fraction form
    577,069.63/796,578.23 = 516,533.47/x
  3. Step 3: Cross multiply
    577,069.63x = 796,578.23 × 516,533.47
  4. Step 4: Simplify right side
    577,069.63x = 411,459,317,268.36
  5. Step 5: Solve for x
    x = 411,459,317,268.36/577,069.63
  6. Step 6: Final answer
    x = 713,015.03

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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.