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Finding the Fourth Proportional to 577,909.59, 797,471.91 and 323,211.57

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Solution

The fourth proportional to 577,909.59, 797,471.91 and 323,211.57 is: 446,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,909.59 : 797,471.91 = 323,211.57 : x
  2. Step 2: Convert to fraction form
    577,909.59/797,471.91 = 323,211.57/x
  3. Step 3: Cross multiply
    577,909.59x = 797,471.91 × 323,211.57
  4. Step 4: Simplify right side
    577,909.59x = 257,752,148,062.00
  5. Step 5: Solve for x
    x = 257,752,148,062.00/577,909.59
  6. Step 6: Final answer
    x = 446,007.74

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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.