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Finding the Fourth Proportional to 484,611.80, 727,695.30 and 327,536.60

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Solution

The fourth proportional to 484,611.80, 727,695.30 and 327,536.60 is: 491,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,611.80 : 727,695.30 = 327,536.60 : x
  2. Step 2: Convert to fraction form
    484,611.80/727,695.30 = 327,536.60/x
  3. Step 3: Cross multiply
    484,611.80x = 727,695.30 × 327,536.60
  4. Step 4: Simplify right side
    484,611.80x = 238,346,844,397.98
  5. Step 5: Solve for x
    x = 238,346,844,397.98/484,611.80
  6. Step 6: Final answer
    x = 491,830.46

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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.