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Finding the Fourth Proportional to 535,003.89, 802,497.87 and 130,199.91

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Solution

The fourth proportional to 535,003.89, 802,497.87 and 130,199.91 is: 195,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,003.89 : 802,497.87 = 130,199.91 : x
  2. Step 2: Convert to fraction form
    535,003.89/802,497.87 = 130,199.91/x
  3. Step 3: Cross multiply
    535,003.89x = 802,497.87 × 130,199.91
  4. Step 4: Simplify right side
    535,003.89x = 104,485,150,449.19
  5. Step 5: Solve for x
    x = 104,485,150,449.19/535,003.89
  6. Step 6: Final answer
    x = 195,297.93

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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.