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Finding the Fourth Proportional to 206,882.60, 310,323.90 and 197,259.80

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Solution

The fourth proportional to 206,882.60, 310,323.90 and 197,259.80 is: 295,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,882.60 : 310,323.90 = 197,259.80 : x
  2. Step 2: Convert to fraction form
    206,882.60/310,323.90 = 197,259.80/x
  3. Step 3: Cross multiply
    206,882.60x = 310,323.90 × 197,259.80
  4. Step 4: Simplify right side
    206,882.60x = 61,214,430,449.22
  5. Step 5: Solve for x
    x = 61,214,430,449.22/206,882.60
  6. Step 6: Final answer
    x = 295,889.70

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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.