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Finding the Fourth Proportional to 341,975, 471,925.68 and 191,072

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Solution

The fourth proportional to 341,975, 471,925.68 and 191,072 is: 263,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,975 : 471,925.68 = 191,072 : x
  2. Step 2: Convert to fraction form
    341,975/471,925.68 = 191,072/x
  3. Step 3: Cross multiply
    341,975x = 471,925.68 × 191,072
  4. Step 4: Simplify right side
    341,975x = 90,171,783,528.96
  5. Step 5: Solve for x
    x = 90,171,783,528.96/341,975
  6. Step 6: Final answer
    x = 263,679.46

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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.