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Finding the Fourth Proportional to 493,995.02, 681,336.99 and 425,201.57

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Solution

The fourth proportional to 493,995.02, 681,336.99 and 425,201.57 is: 586,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,995.02 : 681,336.99 = 425,201.57 : x
  2. Step 2: Convert to fraction form
    493,995.02/681,336.99 = 425,201.57/x
  3. Step 3: Cross multiply
    493,995.02x = 681,336.99 × 425,201.57
  4. Step 4: Simplify right side
    493,995.02x = 289,705,557,847.07
  5. Step 5: Solve for x
    x = 289,705,557,847.07/493,995.02
  6. Step 6: Final answer
    x = 586,454.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.