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Finding the Fourth Proportional to 358,736.30, 537,067.65 and 218,768.30

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Solution

The fourth proportional to 358,736.30, 537,067.65 and 218,768.30 is: 327,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,736.30 : 537,067.65 = 218,768.30 : x
  2. Step 2: Convert to fraction form
    358,736.30/537,067.65 = 218,768.30/x
  3. Step 3: Cross multiply
    358,736.30x = 537,067.65 × 218,768.30
  4. Step 4: Simplify right side
    358,736.30x = 117,493,376,775.50
  5. Step 5: Solve for x
    x = 117,493,376,775.50/358,736.30
  6. Step 6: Final answer
    x = 327,520.18

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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.