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Finding the Fourth Proportional to 397,063.34, 595,505.71 and 112,747.87

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Solution

The fourth proportional to 397,063.34, 595,505.71 and 112,747.87 is: 169,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,063.34 : 595,505.71 = 112,747.87 : x
  2. Step 2: Convert to fraction form
    397,063.34/595,505.71 = 112,747.87/x
  3. Step 3: Cross multiply
    397,063.34x = 595,505.71 × 112,747.87
  4. Step 4: Simplify right side
    397,063.34x = 67,141,999,811.60
  5. Step 5: Solve for x
    x = 67,141,999,811.60/397,063.34
  6. Step 6: Final answer
    x = 169,096.45

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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.