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Finding the Fourth Proportional to 347,655.97, 479,725.58 and 194,672.89

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Solution

The fourth proportional to 347,655.97, 479,725.58 and 194,672.89 is: 268,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,655.97 : 479,725.58 = 194,672.89 : x
  2. Step 2: Convert to fraction form
    347,655.97/479,725.58 = 194,672.89/x
  3. Step 3: Cross multiply
    347,655.97x = 479,725.58 × 194,672.89
  4. Step 4: Simplify right side
    347,655.97x = 93,389,561,693.53
  5. Step 5: Solve for x
    x = 93,389,561,693.53/347,655.97
  6. Step 6: Final answer
    x = 268,626.38

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1.5x scale

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.