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Finding the Fourth Proportional to 209,300.20, 313,950.30 and 183,056.20

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Solution

The fourth proportional to 209,300.20, 313,950.30 and 183,056.20 is: 274,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,300.20 : 313,950.30 = 183,056.20 : x
  2. Step 2: Convert to fraction form
    209,300.20/313,950.30 = 183,056.20/x
  3. Step 3: Cross multiply
    209,300.20x = 313,950.30 × 183,056.20
  4. Step 4: Simplify right side
    209,300.20x = 57,470,548,906.86
  5. Step 5: Solve for x
    x = 57,470,548,906.86/209,300.20
  6. Step 6: Final answer
    x = 274,584.30

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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.