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Finding the Fourth Proportional to 533,998.20, 800,802.90 and 179,023.80

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Solution

The fourth proportional to 533,998.20, 800,802.90 and 179,023.80 is: 268,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,998.20 : 800,802.90 = 179,023.80 : x
  2. Step 2: Convert to fraction form
    533,998.20/800,802.90 = 179,023.80/x
  3. Step 3: Cross multiply
    533,998.20x = 800,802.90 × 179,023.80
  4. Step 4: Simplify right side
    533,998.20x = 143,362,778,209.02
  5. Step 5: Solve for x
    x = 143,362,778,209.02/533,998.20
  6. Step 6: Final answer
    x = 268,470.53

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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.