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Finding the Fourth Proportional to 395,460.76, 593,292.18 and 114,978.01

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Solution

The fourth proportional to 395,460.76, 593,292.18 and 114,978.01 is: 172,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,460.76 : 593,292.18 = 114,978.01 : x
  2. Step 2: Convert to fraction form
    395,460.76/593,292.18 = 114,978.01/x
  3. Step 3: Cross multiply
    395,460.76x = 593,292.18 × 114,978.01
  4. Step 4: Simplify right side
    395,460.76x = 68,215,551,238.50
  5. Step 5: Solve for x
    x = 68,215,551,238.50/395,460.76
  6. Step 6: Final answer
    x = 172,496.39

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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.