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Finding the Fourth Proportional to 342,376.72, 472,476.58 and 191,473.72

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Solution

The fourth proportional to 342,376.72, 472,476.58 and 191,473.72 is: 264,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,376.72 : 472,476.58 = 191,473.72 : x
  2. Step 2: Convert to fraction form
    342,376.72/472,476.58 = 191,473.72/x
  3. Step 3: Cross multiply
    342,376.72x = 472,476.58 × 191,473.72
  4. Step 4: Simplify right side
    342,376.72x = 90,466,846,725.60
  5. Step 5: Solve for x
    x = 90,466,846,725.60/342,376.72
  6. Step 6: Final answer
    x = 264,231.89

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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.