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Finding the Fourth Proportional to 338,961, 467,765.82 and 186,000.06

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Solution

The fourth proportional to 338,961, 467,765.82 and 186,000.06 is: 256,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,961 : 467,765.82 = 186,000.06 : x
  2. Step 2: Convert to fraction form
    338,961/467,765.82 = 186,000.06/x
  3. Step 3: Cross multiply
    338,961x = 467,765.82 × 186,000.06
  4. Step 4: Simplify right side
    338,961x = 87,004,470,585.95
  5. Step 5: Solve for x
    x = 87,004,470,585.95/338,961
  6. Step 6: Final answer
    x = 256,679.89

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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.