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Finding the Fourth Proportional to 533,640.80, 736,441.80 and 304,193.96

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Solution

The fourth proportional to 533,640.80, 736,441.80 and 304,193.96 is: 419,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,640.80 : 736,441.80 = 304,193.96 : x
  2. Step 2: Convert to fraction form
    533,640.80/736,441.80 = 304,193.96/x
  3. Step 3: Cross multiply
    533,640.80x = 736,441.80 × 304,193.96
  4. Step 4: Simplify right side
    533,640.80x = 224,021,147,451.53
  5. Step 5: Solve for x
    x = 224,021,147,451.53/533,640.80
  6. Step 6: Final answer
    x = 419,797.64

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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.