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Finding the Fourth Proportional to 323,280.80, 484,834.80 and 112,896.80

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Solution

The fourth proportional to 323,280.80, 484,834.80 and 112,896.80 is: 169,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,280.80 : 484,834.80 = 112,896.80 : x
  2. Step 2: Convert to fraction form
    323,280.80/484,834.80 = 112,896.80/x
  3. Step 3: Cross multiply
    323,280.80x = 484,834.80 × 112,896.80
  4. Step 4: Simplify right side
    323,280.80x = 54,736,297,448.64
  5. Step 5: Solve for x
    x = 54,736,297,448.64/323,280.80
  6. Step 6: Final answer
    x = 169,315.03

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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.