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Finding the Fourth Proportional to 395,818.17, 593,876.70 and 238,157.34

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Solution

The fourth proportional to 395,818.17, 593,876.70 and 238,157.34 is: 357,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,818.17 : 593,876.70 = 238,157.34 : x
  2. Step 2: Convert to fraction form
    395,818.17/593,876.70 = 238,157.34/x
  3. Step 3: Cross multiply
    395,818.17x = 593,876.70 × 238,157.34
  4. Step 4: Simplify right side
    395,818.17x = 141,436,095,159.98
  5. Step 5: Solve for x
    x = 141,436,095,159.98/395,818.17
  6. Step 6: Final answer
    x = 357,325.93

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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.