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Finding the Fourth Proportional to 395,581, 593,445.90 and 158,942.60

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Solution

The fourth proportional to 395,581, 593,445.90 and 158,942.60 is: 238,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,581 : 593,445.90 = 158,942.60 : x
  2. Step 2: Convert to fraction form
    395,581/593,445.90 = 158,942.60/x
  3. Step 3: Cross multiply
    395,581x = 593,445.90 × 158,942.60
  4. Step 4: Simplify right side
    395,581x = 94,323,834,305.34
  5. Step 5: Solve for x
    x = 94,323,834,305.34/395,581
  6. Step 6: Final answer
    x = 238,443.79

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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.