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Finding the Fourth Proportional to 363,826.80, 545,837.40 and 324,655.20

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Solution

The fourth proportional to 363,826.80, 545,837.40 and 324,655.20 is: 487,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,826.80 : 545,837.40 = 324,655.20 : x
  2. Step 2: Convert to fraction form
    363,826.80/545,837.40 = 324,655.20/x
  3. Step 3: Cross multiply
    363,826.80x = 545,837.40 × 324,655.20
  4. Step 4: Simplify right side
    363,826.80x = 177,208,950,264.48
  5. Step 5: Solve for x
    x = 177,208,950,264.48/363,826.80
  6. Step 6: Final answer
    x = 487,069.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.