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Finding the Fourth Proportional to 395,516.64, 593,268.69 and 95,999.70

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Solution

The fourth proportional to 395,516.64, 593,268.69 and 95,999.70 is: 143,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,516.64 : 593,268.69 = 95,999.70 : x
  2. Step 2: Convert to fraction form
    395,516.64/593,268.69 = 95,999.70/x
  3. Step 3: Cross multiply
    395,516.64x = 593,268.69 × 95,999.70
  4. Step 4: Simplify right side
    395,516.64x = 56,953,616,259.39
  5. Step 5: Solve for x
    x = 56,953,616,259.39/395,516.64
  6. Step 6: Final answer
    x = 143,998.03

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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.