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Finding the Fourth Proportional to 321,735.04, 444,015.39 and 185,774.72

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Solution

The fourth proportional to 321,735.04, 444,015.39 and 185,774.72 is: 256,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,735.04 : 444,015.39 = 185,774.72 : x
  2. Step 2: Convert to fraction form
    321,735.04/444,015.39 = 185,774.72/x
  3. Step 3: Cross multiply
    321,735.04x = 444,015.39 × 185,774.72
  4. Step 4: Simplify right side
    321,735.04x = 82,486,834,752.94
  5. Step 5: Solve for x
    x = 82,486,834,752.94/321,735.04
  6. Step 6: Final answer
    x = 256,381.26

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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.