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Finding the Fourth Proportional to 405,770.70, 608,711.32 and 169,058.02

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Solution

The fourth proportional to 405,770.70, 608,711.32 and 169,058.02 is: 253,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,770.70 : 608,711.32 = 169,058.02 : x
  2. Step 2: Convert to fraction form
    405,770.70/608,711.32 = 169,058.02/x
  3. Step 3: Cross multiply
    405,770.70x = 608,711.32 × 169,058.02
  4. Step 4: Simplify right side
    405,770.70x = 102,907,530,510.79
  5. Step 5: Solve for x
    x = 102,907,530,510.79/405,770.70
  6. Step 6: Final answer
    x = 253,610.06

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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.