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Finding the Fourth Proportional to 341,342.27, 512,241.93 and 141,662.82

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Solution

The fourth proportional to 341,342.27, 512,241.93 and 141,662.82 is: 212,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,342.27 : 512,241.93 = 141,662.82 : x
  2. Step 2: Convert to fraction form
    341,342.27/512,241.93 = 141,662.82/x
  3. Step 3: Cross multiply
    341,342.27x = 512,241.93 × 141,662.82
  4. Step 4: Simplify right side
    341,342.27x = 72,565,636,326.04
  5. Step 5: Solve for x
    x = 72,565,636,326.04/341,342.27
  6. Step 6: Final answer
    x = 212,589.07

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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.