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Finding the Fourth Proportional to 236,643.66, 326,913.71 and 204,757.20

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Solution

The fourth proportional to 236,643.66, 326,913.71 and 204,757.20 is: 282,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,643.66 : 326,913.71 = 204,757.20 : x
  2. Step 2: Convert to fraction form
    236,643.66/326,913.71 = 204,757.20/x
  3. Step 3: Cross multiply
    236,643.66x = 326,913.71 × 204,757.20
  4. Step 4: Simplify right side
    236,643.66x = 66,937,934,877.43
  5. Step 5: Solve for x
    x = 66,937,934,877.43/236,643.66
  6. Step 6: Final answer
    x = 282,863.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.