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Finding the Fourth Proportional to 493,588.28, 740,229.33 and 178,004.18

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Solution

The fourth proportional to 493,588.28, 740,229.33 and 178,004.18 is: 266,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,588.28 : 740,229.33 = 178,004.18 : x
  2. Step 2: Convert to fraction form
    493,588.28/740,229.33 = 178,004.18/x
  3. Step 3: Cross multiply
    493,588.28x = 740,229.33 × 178,004.18
  4. Step 4: Simplify right side
    493,588.28x = 131,763,917,416.69
  5. Step 5: Solve for x
    x = 131,763,917,416.69/493,588.28
  6. Step 6: Final answer
    x = 266,951.06

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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.