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Finding the Fourth Proportional to 577,185.30, 864,793.80 and 492,548.40

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Solution

The fourth proportional to 577,185.30, 864,793.80 and 492,548.40 is: 737,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,185.30 : 864,793.80 = 492,548.40 : x
  2. Step 2: Convert to fraction form
    577,185.30/864,793.80 = 492,548.40/x
  3. Step 3: Cross multiply
    577,185.30x = 864,793.80 × 492,548.40
  4. Step 4: Simplify right side
    577,185.30x = 425,952,802,519.92
  5. Step 5: Solve for x
    x = 425,952,802,519.92/577,185.30
  6. Step 6: Final answer
    x = 737,982.76

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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.