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Finding the Fourth Proportional to 395,373.56, 593,374.01 and 205,887.83

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Solution

The fourth proportional to 395,373.56, 593,374.01 and 205,887.83 is: 308,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,373.56 : 593,374.01 = 205,887.83 : x
  2. Step 2: Convert to fraction form
    395,373.56/593,374.01 = 205,887.83/x
  3. Step 3: Cross multiply
    395,373.56x = 593,374.01 × 205,887.83
  4. Step 4: Simplify right side
    395,373.56x = 122,168,483,300.99
  5. Step 5: Solve for x
    x = 122,168,483,300.99/395,373.56
  6. Step 6: Final answer
    x = 308,995.08

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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.