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Finding the Fourth Proportional to 617,234.73, 851,749.58 and 345,250.14

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Solution

The fourth proportional to 617,234.73, 851,749.58 and 345,250.14 is: 476,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,234.73 : 851,749.58 = 345,250.14 : x
  2. Step 2: Convert to fraction form
    617,234.73/851,749.58 = 345,250.14/x
  3. Step 3: Cross multiply
    617,234.73x = 851,749.58 × 345,250.14
  4. Step 4: Simplify right side
    617,234.73x = 294,066,660,013.69
  5. Step 5: Solve for x
    x = 294,066,660,013.69/617,234.73
  6. Step 6: Final answer
    x = 476,425.98

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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.