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Finding the Fourth Proportional to 395,705.63, 593,737.52 and 155,753.46

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Solution

The fourth proportional to 395,705.63, 593,737.52 and 155,753.46 is: 233,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,705.63 : 593,737.52 = 155,753.46 : x
  2. Step 2: Convert to fraction form
    395,705.63/593,737.52 = 155,753.46/x
  3. Step 3: Cross multiply
    395,705.63x = 593,737.52 × 155,753.46
  4. Step 4: Simplify right side
    395,705.63x = 92,476,672,293.05
  5. Step 5: Solve for x
    x = 92,476,672,293.05/395,705.63
  6. Step 6: Final answer
    x = 233,700.68

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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.