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Finding the Fourth Proportional to 605,783.52, 835,986.96 and 333,861.21

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Solution

The fourth proportional to 605,783.52, 835,986.96 and 333,861.21 is: 460,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,783.52 : 835,986.96 = 333,861.21 : x
  2. Step 2: Convert to fraction form
    605,783.52/835,986.96 = 333,861.21/x
  3. Step 3: Cross multiply
    605,783.52x = 835,986.96 × 333,861.21
  4. Step 4: Simplify right side
    605,783.52x = 279,103,618,009.82
  5. Step 5: Solve for x
    x = 279,103,618,009.82/605,783.52
  6. Step 6: Final answer
    x = 460,731.61

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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.