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Finding the Fourth Proportional to 453,959.60, 680,939.40 and 230,010.80

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Solution

The fourth proportional to 453,959.60, 680,939.40 and 230,010.80 is: 345,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,959.60 : 680,939.40 = 230,010.80 : x
  2. Step 2: Convert to fraction form
    453,959.60/680,939.40 = 230,010.80/x
  3. Step 3: Cross multiply
    453,959.60x = 680,939.40 × 230,010.80
  4. Step 4: Simplify right side
    453,959.60x = 156,623,416,145.52
  5. Step 5: Solve for x
    x = 156,623,416,145.52/453,959.60
  6. Step 6: Final answer
    x = 345,016.20

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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.