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Finding the Fourth Proportional to 587,805.12, 811,180.44 and 333,150.84

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Solution

The fourth proportional to 587,805.12, 811,180.44 and 333,150.84 is: 459,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,805.12 : 811,180.44 = 333,150.84 : x
  2. Step 2: Convert to fraction form
    587,805.12/811,180.44 = 333,150.84/x
  3. Step 3: Cross multiply
    587,805.12x = 811,180.44 × 333,150.84
  4. Step 4: Simplify right side
    587,805.12x = 270,245,444,977.57
  5. Step 5: Solve for x
    x = 270,245,444,977.57/587,805.12
  6. Step 6: Final answer
    x = 459,753.47

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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.