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Finding the Fourth Proportional to 395,818.92, 593,877.83 and 238,158.09

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Solution

The fourth proportional to 395,818.92, 593,877.83 and 238,158.09 is: 357,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,818.92 : 593,877.83 = 238,158.09 : x
  2. Step 2: Convert to fraction form
    395,818.92/593,877.83 = 238,158.09/x
  3. Step 3: Cross multiply
    395,818.92x = 593,877.83 × 238,158.09
  4. Step 4: Simplify right side
    395,818.92x = 141,436,808,495.35
  5. Step 5: Solve for x
    x = 141,436,808,495.35/395,818.92
  6. Step 6: Final answer
    x = 357,327.05

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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.