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Finding the Fourth Proportional to 577,357.48, 796,756.26 and 322,703.20

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Solution

The fourth proportional to 577,357.48, 796,756.26 and 322,703.20 is: 445,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,357.48 : 796,756.26 = 322,703.20 : x
  2. Step 2: Convert to fraction form
    577,357.48/796,756.26 = 322,703.20/x
  3. Step 3: Cross multiply
    577,357.48x = 796,756.26 × 322,703.20
  4. Step 4: Simplify right side
    577,357.48x = 257,115,794,722.03
  5. Step 5: Solve for x
    x = 257,115,794,722.03/577,357.48
  6. Step 6: Final answer
    x = 445,332.06

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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.