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Finding the Fourth Proportional to 322,405.10, 483,607.65 and 296,817.20

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Solution

The fourth proportional to 322,405.10, 483,607.65 and 296,817.20 is: 445,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,405.10 : 483,607.65 = 296,817.20 : x
  2. Step 2: Convert to fraction form
    322,405.10/483,607.65 = 296,817.20/x
  3. Step 3: Cross multiply
    322,405.10x = 483,607.65 × 296,817.20
  4. Step 4: Simplify right side
    322,405.10x = 143,543,068,571.58
  5. Step 5: Solve for x
    x = 143,543,068,571.58/322,405.10
  6. Step 6: Final answer
    x = 445,225.80

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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.