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Finding the Fourth Proportional to 310,512.90, 465,769.35 and 110,839.80

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Solution

The fourth proportional to 310,512.90, 465,769.35 and 110,839.80 is: 166,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,512.90 : 465,769.35 = 110,839.80 : x
  2. Step 2: Convert to fraction form
    310,512.90/465,769.35 = 110,839.80/x
  3. Step 3: Cross multiply
    310,512.90x = 465,769.35 × 110,839.80
  4. Step 4: Simplify right side
    310,512.90x = 51,625,781,600.13
  5. Step 5: Solve for x
    x = 51,625,781,600.13/310,512.90
  6. Step 6: Final answer
    x = 166,259.70

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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.