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Finding the Fourth Proportional to 493,652.40, 740,399.40 and 177,946.80

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Solution

The fourth proportional to 493,652.40, 740,399.40 and 177,946.80 is: 266,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,652.40 : 740,399.40 = 177,946.80 : x
  2. Step 2: Convert to fraction form
    493,652.40/740,399.40 = 177,946.80/x
  3. Step 3: Cross multiply
    493,652.40x = 740,399.40 × 177,946.80
  4. Step 4: Simplify right side
    493,652.40x = 131,751,703,951.92
  5. Step 5: Solve for x
    x = 131,751,703,951.92/493,652.40
  6. Step 6: Final answer
    x = 266,891.65

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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.