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Finding the Fourth Proportional to 310,531.20, 465,796.80 and 110,858.10

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Solution

The fourth proportional to 310,531.20, 465,796.80 and 110,858.10 is: 166,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,531.20 : 465,796.80 = 110,858.10 : x
  2. Step 2: Convert to fraction form
    310,531.20/465,796.80 = 110,858.10/x
  3. Step 3: Cross multiply
    310,531.20x = 465,796.80 × 110,858.10
  4. Step 4: Simplify right side
    310,531.20x = 51,637,348,234.08
  5. Step 5: Solve for x
    x = 51,637,348,234.08/310,531.20
  6. Step 6: Final answer
    x = 166,287.15

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Similar ratio
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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.