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Finding the Fourth Proportional to 515,980.60, 773,711.70 and 235,180.60

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Solution

The fourth proportional to 515,980.60, 773,711.70 and 235,180.60 is: 352,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,980.60 : 773,711.70 = 235,180.60 : x
  2. Step 2: Convert to fraction form
    515,980.60/773,711.70 = 235,180.60/x
  3. Step 3: Cross multiply
    515,980.60x = 773,711.70 × 235,180.60
  4. Step 4: Simplify right side
    515,980.60x = 181,961,981,833.02
  5. Step 5: Solve for x
    x = 181,961,981,833.02/515,980.60
  6. Step 6: Final answer
    x = 352,652.76

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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.