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Finding the Fourth Proportional to 577,889.88, 797,444.76 and 323,191.86

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Solution

The fourth proportional to 577,889.88, 797,444.76 and 323,191.86 is: 445,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,889.88 : 797,444.76 = 323,191.86 : x
  2. Step 2: Convert to fraction form
    577,889.88/797,444.76 = 323,191.86/x
  3. Step 3: Cross multiply
    577,889.88x = 797,444.76 × 323,191.86
  4. Step 4: Simplify right side
    577,889.88x = 257,727,655,231.65
  5. Step 5: Solve for x
    x = 257,727,655,231.65/577,889.88
  6. Step 6: Final answer
    x = 445,980.57

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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.