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Finding the Fourth Proportional to 401,536.40, 601,794.30 and 164,611.40

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Solution

The fourth proportional to 401,536.40, 601,794.30 and 164,611.40 is: 246,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,536.40 : 601,794.30 = 164,611.40 : x
  2. Step 2: Convert to fraction form
    401,536.40/601,794.30 = 164,611.40/x
  3. Step 3: Cross multiply
    401,536.40x = 601,794.30 × 164,611.40
  4. Step 4: Simplify right side
    401,536.40x = 99,062,202,235.02
  5. Step 5: Solve for x
    x = 99,062,202,235.02/401,536.40
  6. Step 6: Final answer
    x = 246,707.90

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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.