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Finding the Fourth Proportional to 396,088.58, 546,602.51 and 214,800.46

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Solution

The fourth proportional to 396,088.58, 546,602.51 and 214,800.46 is: 296,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,088.58 : 546,602.51 = 214,800.46 : x
  2. Step 2: Convert to fraction form
    396,088.58/546,602.51 = 214,800.46/x
  3. Step 3: Cross multiply
    396,088.58x = 546,602.51 × 214,800.46
  4. Step 4: Simplify right side
    396,088.58x = 117,410,469,755.65
  5. Step 5: Solve for x
    x = 117,410,469,755.65/396,088.58
  6. Step 6: Final answer
    x = 296,424.78

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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.