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Finding the Fourth Proportional to 641,188.34, 884,833.25 and 350,797.16

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Solution

The fourth proportional to 641,188.34, 884,833.25 and 350,797.16 is: 484,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,188.34 : 884,833.25 = 350,797.16 : x
  2. Step 2: Convert to fraction form
    641,188.34/884,833.25 = 350,797.16/x
  3. Step 3: Cross multiply
    641,188.34x = 884,833.25 × 350,797.16
  4. Step 4: Simplify right side
    641,188.34x = 310,396,991,173.57
  5. Step 5: Solve for x
    x = 310,396,991,173.57/641,188.34
  6. Step 6: Final answer
    x = 484,096.44

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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.