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Finding the Fourth Proportional to 493,963.24, 740,944.86 and 119,983.72

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Solution

The fourth proportional to 493,963.24, 740,944.86 and 119,983.72 is: 179,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,963.24 : 740,944.86 = 119,983.72 : x
  2. Step 2: Convert to fraction form
    493,963.24/740,944.86 = 119,983.72/x
  3. Step 3: Cross multiply
    493,963.24x = 740,944.86 × 119,983.72
  4. Step 4: Simplify right side
    493,963.24x = 88,901,320,617.68
  5. Step 5: Solve for x
    x = 88,901,320,617.68/493,963.24
  6. Step 6: Final answer
    x = 179,975.58

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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.