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Finding the Fourth Proportional to 470,818.80, 706,228.20 and 204,879.60

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Solution

The fourth proportional to 470,818.80, 706,228.20 and 204,879.60 is: 307,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,818.80 : 706,228.20 = 204,879.60 : x
  2. Step 2: Convert to fraction form
    470,818.80/706,228.20 = 204,879.60/x
  3. Step 3: Cross multiply
    470,818.80x = 706,228.20 × 204,879.60
  4. Step 4: Simplify right side
    470,818.80x = 144,691,751,124.72
  5. Step 5: Solve for x
    x = 144,691,751,124.72/470,818.80
  6. Step 6: Final answer
    x = 307,319.40

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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.