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Finding the Fourth Proportional to 395,299.13, 593,059.55 and 158,807.88

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Solution

The fourth proportional to 395,299.13, 593,059.55 and 158,807.88 is: 238,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,299.13 : 593,059.55 = 158,807.88 : x
  2. Step 2: Convert to fraction form
    395,299.13/593,059.55 = 158,807.88/x
  3. Step 3: Cross multiply
    395,299.13x = 593,059.55 × 158,807.88
  4. Step 4: Simplify right side
    395,299.13x = 94,182,529,055.21
  5. Step 5: Solve for x
    x = 94,182,529,055.21/395,299.13
  6. Step 6: Final answer
    x = 238,256.36

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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.