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Finding the Fourth Proportional to 570,062.20, 854,529.30 and 270,015.40

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Solution

The fourth proportional to 570,062.20, 854,529.30 and 270,015.40 is: 404,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,062.20 : 854,529.30 = 270,015.40 : x
  2. Step 2: Convert to fraction form
    570,062.20/854,529.30 = 270,015.40/x
  3. Step 3: Cross multiply
    570,062.20x = 854,529.30 × 270,015.40
  4. Step 4: Simplify right side
    570,062.20x = 230,736,070,751.22
  5. Step 5: Solve for x
    x = 230,736,070,751.22/570,062.20
  6. Step 6: Final answer
    x = 404,755.96

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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.