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Finding the Fourth Proportional to 225,007.60, 337,511.40 and 185,609.20

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Solution

The fourth proportional to 225,007.60, 337,511.40 and 185,609.20 is: 278,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,007.60 : 337,511.40 = 185,609.20 : x
  2. Step 2: Convert to fraction form
    225,007.60/337,511.40 = 185,609.20/x
  3. Step 3: Cross multiply
    225,007.60x = 337,511.40 × 185,609.20
  4. Step 4: Simplify right side
    225,007.60x = 62,645,220,944.88
  5. Step 5: Solve for x
    x = 62,645,220,944.88/225,007.60
  6. Step 6: Final answer
    x = 278,413.80

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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.