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Finding the Fourth Proportional to 281,497.58, 422,068.98 and 238,817.92

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Solution

The fourth proportional to 281,497.58, 422,068.98 and 238,817.92 is: 358,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,497.58 : 422,068.98 = 238,817.92 : x
  2. Step 2: Convert to fraction form
    281,497.58/422,068.98 = 238,817.92/x
  3. Step 3: Cross multiply
    281,497.58x = 422,068.98 × 238,817.92
  4. Step 4: Simplify right side
    281,497.58x = 100,797,635,188.55
  5. Step 5: Solve for x
    x = 100,797,635,188.55/281,497.58
  6. Step 6: Final answer
    x = 358,076.38

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1.5x scale

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.