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Finding the Fourth Proportional to 363,012.20, 544,080.90 and 185,427.80

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Solution

The fourth proportional to 363,012.20, 544,080.90 and 185,427.80 is: 277,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,012.20 : 544,080.90 = 185,427.80 : x
  2. Step 2: Convert to fraction form
    363,012.20/544,080.90 = 185,427.80/x
  3. Step 3: Cross multiply
    363,012.20x = 544,080.90 × 185,427.80
  4. Step 4: Simplify right side
    363,012.20x = 100,887,724,309.02
  5. Step 5: Solve for x
    x = 100,887,724,309.02/363,012.20
  6. Step 6: Final answer
    x = 277,918.27

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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.