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Finding the Fourth Proportional to 321,919.99, 482,884.56 and 97,282.30

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Solution

The fourth proportional to 321,919.99, 482,884.56 and 97,282.30 is: 145,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,919.99 : 482,884.56 = 97,282.30 : x
  2. Step 2: Convert to fraction form
    321,919.99/482,884.56 = 97,282.30/x
  3. Step 3: Cross multiply
    321,919.99x = 482,884.56 × 97,282.30
  4. Step 4: Simplify right side
    321,919.99x = 46,976,120,631.29
  5. Step 5: Solve for x
    x = 46,976,120,631.29/321,919.99
  6. Step 6: Final answer
    x = 145,924.83

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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.