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Finding the Fourth Proportional to 530,157.92, 795,735.10 and 277,619.64

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Solution

The fourth proportional to 530,157.92, 795,735.10 and 277,619.64 is: 416,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,157.92 : 795,735.10 = 277,619.64 : x
  2. Step 2: Convert to fraction form
    530,157.92/795,735.10 = 277,619.64/x
  3. Step 3: Cross multiply
    530,157.92x = 795,735.10 × 277,619.64
  4. Step 4: Simplify right side
    530,157.92x = 220,911,691,997.36
  5. Step 5: Solve for x
    x = 220,911,691,997.36/530,157.92
  6. Step 6: Final answer
    x = 416,690.36

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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.