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Finding the Fourth Proportional to 499,378.44, 749,064.78 and 166,951.56

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Solution

The fourth proportional to 499,378.44, 749,064.78 and 166,951.56 is: 250,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,378.44 : 749,064.78 = 166,951.56 : x
  2. Step 2: Convert to fraction form
    499,378.44/749,064.78 = 166,951.56/x
  3. Step 3: Cross multiply
    499,378.44x = 749,064.78 × 166,951.56
  4. Step 4: Simplify right side
    499,378.44x = 125,057,533,562.06
  5. Step 5: Solve for x
    x = 125,057,533,562.06/499,378.44
  6. Step 6: Final answer
    x = 250,426.38

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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.