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Finding the Fourth Proportional to 321,036.65, 481,441.58 and 110,625.65

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Solution

The fourth proportional to 321,036.65, 481,441.58 and 110,625.65 is: 165,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,036.65 : 481,441.58 = 110,625.65 : x
  2. Step 2: Convert to fraction form
    321,036.65/481,441.58 = 110,625.65/x
  3. Step 3: Cross multiply
    321,036.65x = 481,441.58 × 110,625.65
  4. Step 4: Simplify right side
    321,036.65x = 53,259,787,171.40
  5. Step 5: Solve for x
    x = 53,259,787,171.40/321,036.65
  6. Step 6: Final answer
    x = 165,899.40

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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.