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Finding the Fourth Proportional to 395,887.97, 593,740.63 and 236,008.76

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Solution

The fourth proportional to 395,887.97, 593,740.63 and 236,008.76 is: 353,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,887.97 : 593,740.63 = 236,008.76 : x
  2. Step 2: Convert to fraction form
    395,887.97/593,740.63 = 236,008.76/x
  3. Step 3: Cross multiply
    395,887.97x = 593,740.63 × 236,008.76
  4. Step 4: Simplify right side
    395,887.97x = 140,127,985,699.17
  5. Step 5: Solve for x
    x = 140,127,985,699.17/395,887.97
  6. Step 6: Final answer
    x = 353,958.69

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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.