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Finding the Fourth Proportional to 493,995.50, 681,337.63 and 425,202.05

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Solution

The fourth proportional to 493,995.50, 681,337.63 and 425,202.05 is: 586,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,995.50 : 681,337.63 = 425,202.05 : x
  2. Step 2: Convert to fraction form
    493,995.50/681,337.63 = 425,202.05/x
  3. Step 3: Cross multiply
    493,995.50x = 681,337.63 × 425,202.05
  4. Step 4: Simplify right side
    493,995.50x = 289,706,157,018.14
  5. Step 5: Solve for x
    x = 289,706,157,018.14/493,995.50
  6. Step 6: Final answer
    x = 586,455.05

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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.