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Finding the Fourth Proportional to 556,584.84, 768,086.73 and 301,936.05

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Solution

The fourth proportional to 556,584.84, 768,086.73 and 301,936.05 is: 416,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,584.84 : 768,086.73 = 301,936.05 : x
  2. Step 2: Convert to fraction form
    556,584.84/768,086.73 = 301,936.05/x
  3. Step 3: Cross multiply
    556,584.84x = 768,086.73 × 301,936.05
  4. Step 4: Simplify right side
    556,584.84x = 231,913,073,313.62
  5. Step 5: Solve for x
    x = 231,913,073,313.62/556,584.84
  6. Step 6: Final answer
    x = 416,671.56

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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.