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Finding the Fourth Proportional to 310,118.60, 465,615.30 and 192,020.60

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Solution

The fourth proportional to 310,118.60, 465,615.30 and 192,020.60 is: 288,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,118.60 : 465,615.30 = 192,020.60 : x
  2. Step 2: Convert to fraction form
    310,118.60/465,615.30 = 192,020.60/x
  3. Step 3: Cross multiply
    310,118.60x = 465,615.30 × 192,020.60
  4. Step 4: Simplify right side
    310,118.60x = 89,407,729,275.18
  5. Step 5: Solve for x
    x = 89,407,729,275.18/310,118.60
  6. Step 6: Final answer
    x = 288,301.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.