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Finding the Fourth Proportional to 336,231.80, 504,930.90 and 178,767.80

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Solution

The fourth proportional to 336,231.80, 504,930.90 and 178,767.80 is: 268,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,231.80 : 504,930.90 = 178,767.80 : x
  2. Step 2: Convert to fraction form
    336,231.80/504,930.90 = 178,767.80/x
  3. Step 3: Cross multiply
    336,231.80x = 504,930.90 × 178,767.80
  4. Step 4: Simplify right side
    336,231.80x = 90,265,386,145.02
  5. Step 5: Solve for x
    x = 90,265,386,145.02/336,231.80
  6. Step 6: Final answer
    x = 268,461.78

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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.