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Finding the Fourth Proportional to 404,536.44, 606,706.74 and 124,056.12

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Solution

The fourth proportional to 404,536.44, 606,706.74 and 124,056.12 is: 186,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,536.44 : 606,706.74 = 124,056.12 : x
  2. Step 2: Convert to fraction form
    404,536.44/606,706.74 = 124,056.12/x
  3. Step 3: Cross multiply
    404,536.44x = 606,706.74 × 124,056.12
  4. Step 4: Simplify right side
    404,536.44x = 75,265,684,142.25
  5. Step 5: Solve for x
    x = 75,265,684,142.25/404,536.44
  6. Step 6: Final answer
    x = 186,054.15

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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.