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Finding the Fourth Proportional to 577,756.82, 797,301.69 and 323,109.02

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Solution

The fourth proportional to 577,756.82, 797,301.69 and 323,109.02 is: 445,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,756.82 : 797,301.69 = 323,109.02 : x
  2. Step 2: Convert to fraction form
    577,756.82/797,301.69 = 323,109.02/x
  3. Step 3: Cross multiply
    577,756.82x = 797,301.69 × 323,109.02
  4. Step 4: Simplify right side
    577,756.82x = 257,615,367,700.24
  5. Step 5: Solve for x
    x = 257,615,367,700.24/577,756.82
  6. Step 6: Final answer
    x = 445,888.93

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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.